网页设计毕业论文500字seo是什么公司
目录
写在前面
完整代码
代码分析
系列文章
写在最后
写在前面
HTML实现的生日蛋糕来喽，小编亲测，发给好友可以直接打开哦。在代码的第183行可以写下对朋友的祝福，快拿去送给你的好朋友吧！
完整代码
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8">
<title>Happy Birthday!</title>
<style>@import url("https://fonts.googleapis.com/css?family=Concert+One|Pacifico");
.mobile { position: fixed; text-align: center; width: 100%; top: 50px; font-size: 90px; display: block;}
h1, h2, span { display: none;}
@media screen and (min-width: 670px) {
.mobile { display: none; }
h1, h2, span { display: block; }
body { background: linear-gradient(to right, #e2b8f7, #d4bafa, #c7bcfb, #b9befb, #acbff9); cursor: crosshair; perspective: 1000px; transform-style: preserve-3d; font-family: "Pacifico",cursive; }
h1 { position: fixed; text-align: center; width: 100%; top: 120px; font-size: 90px; background: -webkit-linear-gradient(0deg, #ceadfc 0%, #a3bbfb 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-family: 'Concert One', cursive; font-weight: 400; z-index: -1; letter-spacing: 6px; }
span { position: fixed; text-align: center; width: 100%; top: 70px; font-size: 70px; }
h2 { position: fixed; text-align: center; width: 100%; top: 50px; font-size: 90px; background: -webkit-linear-gradient(90deg, #e9e6ff 0%, white 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
boche { position: fixed; width: 2vmin; height: 2vmin; border-radius: 50%; animation-name: explosion; animation-iteration-count: infinite; animation-direction: reverse; animation-timing-function: cubic-bezier(0.84, 0.02, 1, 1); }
boche:nth-child(1) { background-color: #2bd8ff; transform: translate(70.7404476506vw, 39.2982912115vh); animation-duration: 2.451477853s; animation-delay: -3.9090695973s; }
boche:nth-child(2) { background-color: #feff28; transform: translate(21.390916309vw, 83.9320950239vh); animation-duration: 2.6082661613s; animation-delay: -2.4177632704s; }
boche:nth-child(3) { background-color: #feff28; transform: translate(99.4707896083vw, 50.8779038063vh); animation-duration: 2.3934609219s; animation-delay: -4.9374235187s; }
boche:nth-child(4) { background-color: #ef8d22; transform: translate(88.0762428158vw, 60.8758646268vh); animation-duration: 4.3745762554s; animation-delay: -4.2335574629s; }
boche:nth-child(5) { background-color: #feff28; transform: translate(87.209776097vw, 87.4722435411vh); animation-duration: 2.6247180243s; animation-delay: -0.3571633852s; }
boche:nth-child(6) { background-color: #feff28; transform: translate(67.5348277973vw, 93.8934516001vh); animation-duration: 3.0630744908s; animation-delay: -4.4890304964s; }
boche:nth-child(7) { background-color: #feff28; transform: translate(51.2278043561vw, 39.0030857051vh); animation-duration: 3.1065374294s; animation-delay: -4.5619134997s; }
boche:nth-child(8) { background-color: #fc85e1; transform: translate(63.2547804674vw, 88.7449965817vh); animation-duration: 2.8384921355s; animation-delay: -0.0965491775s; }
boche:nth-child(9) { background-color: #fc85e1; transform: translate(1.7747115187vw, 78.6520215079vh); animation-duration: 4.3100039072s; animation-delay: -0.553894004s; }
boche:nth-child(10) { background-color: #ef8d22; transform: translate(61.1915375825vw, 46.9592056036vh); animation-duration: 2.6244512022s; animation-delay: -4.5897035553s; }
boche:nth-child(11) { background-color: #ef8d22; transform: translate(4.3118502657vw, 31.3689335931vh); animation-duration: 2.9020870937s; animation-delay: -0.0475365525s; }
boche:nth-child(12) { background-color: #fc85e1; transform: translate(11.7124176675vw, 39.3853134156vh); animation-duration: 2.7165067308s; animation-delay: -0.3402677425s; }
boche:nth-child(13) { background-color: #fc85e1; transform: translate(94.2835231134vw, 15.247368654vh); animation-duration: 3.1761028617s; animation-delay: -4.3999397039s; }
boche:nth-child(14) { background-color: #ef8d22; transform: translate(22.7721270307vw, 68.9730094645vh); animation-duration: 3.6217481701s; animation-delay: -4.3121585024s; }
boche:nth-child(15) { background-color: #2bd8ff; transform: translate(82.1182207545vw, 11.2392421851vh); animation-duration: 3.4960993434s; animation-delay: -3.7739573258s; }
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boche:nth-child(17) { background-color: #feff28; transform: translate(84.4109063964vw, 23.5168492096vh); animation-duration: 4.3723964886s; animation-delay: -1.7390935649s; }
boche:nth-child(18) { background-color: #fc85e1; transform: translate(72.7671083205vw, 62.5592027903vh); animation-duration: 4.4313534479s; animation-delay: -3.0082038529s; }
boche:nth-child(19) { background-color: #2bd8ff; transform: translate(79.3141365436vw, 1.3143345978vh); animation-duration: 2.392781523s; animation-delay: -0.261672225s; }
boche:nth-child(20) { background-color: #ef8d22; transform: translate(29.2041570725vw, 86.8219678576vh); animation-duration: 3.7180833613s; animation-delay: -1.7317238209s; }
boche:nth-child(21) { background-color: #2bd8ff; transform: translate(72.3682688076vw, 29.3261143931vh); animation-duration: 3.5629502006s; animation-delay: -4.5261179684s; }
boche:nth-child(22) { background-color: #2bd8ff; transform: translate(41.7909696011vw, 5.9456249418vh); animation-duration: 2.7586444687s; animation-delay: -1.2172526656s; }
boche:nth-child(23) { background-color: #feff28; transform: translate(76.2571451639vw, 17.195474965vh); animation-duration: 4.4228449437s; animation-delay: -0.4973092974s; }
boche:nth-child(24) { background-color: #2bd8ff; transform: translate(64.8267410528vw, 72.3685961754vh); animation-duration: 4.0308729373s; animation-delay: -3.4748753047s; }
boche:nth-child(25) { background-color: #feff28; transform: translate(51.9640189709vw, 48.6043629666vh); animation-duration: 3.1974276784s; animation-delay: -1.6166953152s; }
boche:nth-child(26) { background-color: #ef8d22; transform: translate(41.1498699458vw, 47.5398372353vh); animation-duration: 4.8552340393s; animation-delay: -0.9697552189s; }
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boche:nth-child(28) { background-color: #ef8d22; transform: translate(75.1070545511vw, 54.2036989448vh); animation-duration: 4.7036199387s; animation-delay: -1.0505926433s; }
boche:nth-child(29) { background-color: #fc85e1; transform: translate(25.2485702636vw, 35.8851684261vh); animation-duration: 3.7316305594s; animation-delay: -1.828910888s; }
boche:nth-child(30) { background-color: #2bd8ff; transform: translate(33.607420868vw, 8.2345981698vh); animation-duration: 2.7029717368s; animation-delay: -2.5500282063s; }
boche:nth-child(31) { background-color: #fc85e1; transform: translate(4.5567738711vw, 26.915212362vh); animation-duration: 3.4355180075s; animation-delay: -0.5790819766s; }
boche:nth-child(32) { background-color: #feff28; transform: translate(25.9501588313vw, 20.9473646869vh); animation-duration: 4.3830077577s; animation-delay: -4.6564701835s; }
boche:nth-child(33) { background-color: #feff28; transform: translate(90.303759829vw, 29.6733774558vh); animation-duration: 2.6689654722s; animation-delay: -0.9045308203s; }
boche:nth-child(34) { background-color: #2bd8ff; transform: translate(89.2836951603vw, 26.5025411567vh); animation-duration: 2.6426834256s; animation-delay: -4.8319924428s; }
boche:nth-child(35) { background-color: #ef8d22; transform: translate(49.6593402454vw, 41.2989731288vh); animation-duration: 2.53627768s; animation-delay: -1.6992049899s; }
boche:nth-child(36) { background-color: #ef8d22; transform: translate(55.3578105489vw, 75.1503457961vh); animation-duration: 2.9803742064s; animation-delay: -3.860230436s; }
boche:nth-child(37) { background-color: #feff28; transform: translate(84.2137545181vw, 99.6489820089vh); animation-duration: 2.8525129053s; animation-delay: -1.909336042s; }
boche:nth-child(38) { background-color: #feff28; transform: translate(58.4226829219vw, 6.6082231423vh); animation-duration: 4.1724251653s; animation-delay: -2.5373921442s; }
boche:nth-child(39) { background-color: #2bd8ff; transform: translate(4.1325762908vw, 16.5826905712vh); animation-duration: 3.3196820224s; animation-delay: -0.1998524335s; }
boche:nth-child(40) { background-color: #ef8d22; transform: translate(38.1082612566vw, 99.6828149038vh); animation-duration: 2.4716860672s; animation-delay: -3.804687821s; }
boche:nth-child(41) { background-color: #ef8d22; transform: translate(80.1246196199vw, 23.2154454066vh); animation-duration: 3.9966714491s; animation-delay: -3.2041854036s; }
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boche:nth-child(45) { background-color: #ef8d22; transform: translate(61.1024281766vw, 8.6360893002vh); animation-duration: 3.7418427756s; animation-delay: -0.8676250685s; }
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boche:nth-child(47) { background-color: #feff28; transform: translate(74.1716691607vw, 3.1894365936vh); animation-duration: 4.4907628187s; animation-delay: -2.968930085s; }
boche:nth-child(48) { background-color: #fc85e1; transform: translate(71.7485884871vw, 81.5140808668vh); animation-duration: 4.6478212704s; animation-delay: -2.4913789916s; }
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boche:nth-child(99) { background-color: #ef8d22; transform: translate(64.559290293vw, 91.8668029819vh); animation-duration: 4.6404932212s; animation-delay: -4.9311549742s; }
boche:nth-child(100) { background-color: #fc85e1; transform: translate(23.7654664572vw, 23.0565546063vh); animation-duration: 2.4373894218s; animation-delay: -3.7747104339s; }
@keyframes explosion { 0% { opacity: 0; } 70% { opacity: 1; } 100% { transform: translate(50vw, 100vh); } } .cake { position: relative; top: 250px; margin: auto; width: 200px; height: 60px; background: #f9fdff; border-radius: 100%; transform: translateZ(100px); box-shadow: 0px 4px 0px #f4f9fd, 0px 8px 0px #dba9ff, 0px 12px 0px #fec3b3, 0px 16px 0px #f7f6fb, 0px 20px 0px #f7f6fb, 0px 24px 0px #f7f6fb, 0px 28px 0px #f7f6fb, 0px 32px 0px #fea0bb, 0px 36px 0px #fea0bb, 0px 40px 0px #9cef9d, 0px 44px 0px #9cef9d, 0px 48px 0px #f7f6fb, 0px 52px 0px #f7f6fb, 0px 56px 0px #f7f6fb, 0px 60px 0px #f7f6fb, 0px 64px 0px #f7f6fb, 0px 68px 0px #dfa5fc, 0px 72px 0px #dfa5fc, 0px 76px 0px #fafffe, 0px 80px 0px #fafffe; } .plate { position: absolute; height: 90px; width: 300px; bottom: -95px; left: 50%; top: 380px; margin-left: -150px; border-radius: 100%; background: radial-gradient(ellipse closest-side at center, #08c7fe 0%, #04d7f2 71%, #02ffd0 100%); box-shadow: 0px 3px 0px #00e2e1, 0px 6px 0px #00d3fb; transform: translateZ(80px); }
.candle { position: relative; height: 50px; width: 12px; top: 280px; margin: auto; background: linear-gradient(0deg, #b7f4a7 0%, white 100%); border-radius: 4px; transform: translateZ(120px); }
#flame { position: absolute; z-index: 10; }
.lit { background: linear-gradient(to bottom, #FFF6D9, #FBC36C); width: 15px; height: 35px; /* Info on border radius. http://www.css3.info/preview/rounded-border/ */ border-top-left-radius: 10px 35px; border-top-right-radius: 10px 35px; border-bottom-right-radius: 10px 10px; border-bottom-left-radius: 10px 10px; top: -34px; margin: auto; /* http://www.css3.info/preview/box-shadow/ */ box-shadow: 0 0 17px 7px rgba(251, 246, 190, 0.71); transform-origin: bottom; animation: flicker 1s ease-in-out alternate infinite; }
@keyframes flicker { 0% { transform: skewX(5deg); box-shadow: 0 0 17px 10px rgba(251, 246, 190, 0.71); } 25% { transform: skewX(-5deg); box-shadow: 0 0 17px 5px rgba(251, 246, 190, 0.71); } 50% { transform: skewX(10deg); box-shadow: 0 0 17px 7px rgba(251, 246, 190, 0.71); } 75% { transform: skewX(-10deg); box-shadow: 0 0 17px 5px rgba(251, 246, 190, 0.71); } 100% { transform: skewX(5deg); box-shadow: 0 0 17px 10px rgba(251, 246, 190, 0.71); } }
.pyro > .before, .pyro > .after { position: fixed; width: 5px; height: 5px; border-radius: 50%; box-shadow: 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff, 0 0 #fff; -moz-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; -webkit-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; -o-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; -ms-animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; animation: 1s bang ease-out infinite backwards, 1s gravity ease-in infinite backwards, 5s position linear infinite backwards; }
.pyro > .after { -moz-animation-delay: 1.25s, 1.25s, 1.25s; -webkit-animation-delay: 1.25s, 1.25s, 1.25s; -o-animation-delay: 1.25s, 1.25s, 1.25s; -ms-animation-delay: 1.25s, 1.25s, 1.25s; animation-delay: 1.25s, 1.25s, 1.25s; -moz-animation-duration: 1.25s, 1.25s, 6.25s; -webkit-animation-duration: 1.25s, 1.25s, 6.25s; -o-animation-duration: 1.25s, 1.25s, 6.25s; -ms-animation-duration: 1.25s, 1.25s, 6.25s; animation-duration: 1.25s, 1.25s, 6.25s; }
@-webkit-keyframes bang { to { box-shadow: -110px -104.6666666667px #00ff51, -3px 36.3333333333px #5eff00, 249px -295.6666666667px #00ff84, -165px -32.6666666667px #ff00e6, 49px -14.6666666667px #ff6600, -2px -370.6666666667px #00ddff, 60px -245.6666666667px #ddff00, 135px -205.6666666667px #00a6ff, 139px -204.6666666667px #ff00fb, -36px -155.6666666667px #00ff48, -75px 8.3333333333px #00ff84, -202px -139.6666666667px #00ff0d, 123px -84.6666666667px #00ffaa, 37px -396.6666666667px #6aff00, -157px -134.6666666667px #ff5900, 7px 6.3333333333px #ffbb00, 222px -15.6666666667px #66ff00, -114px -40.6666666667px #ffb700, -127px -49.6666666667px #ffb300, 130px -63.6666666667px #0080ff, 139px -11.6666666667px #0077ff, -167px -301.6666666667px #ff00e6, 55px -222.6666666667px #62ff00, 12px -10.6666666667px #95ff00, -240px -114.6666666667px #ff9900, -78px -210.6666666667px blue, 175px -142.6666666667px #3700ff, 83px -316.6666666667px #ff00c4, 69px -390.6666666667px #ff0040, -168px -361.6666666667px #00aaff, -44px -87.6666666667px #0040ff, 235px -415.6666666667px #ffae00, 45px 55.3333333333px #00ff0d, -61px -2.6666666667px #e600ff, -225px -59.6666666667px #59ff00, -30px 48.3333333333px #00f7ff, 211px -170.6666666667px #f700ff, -165px -209.6666666667px #37ff00, -131px -306.6666666667px #00ff66, -137px 54.3333333333px red, 42px -397.6666666667px #00e1ff, 230px -250.6666666667px #ff4d00, -172px -335.6666666667px #000dff, 143px -342.6666666667px #04ff00, -76px -194.6666666667px #fff200, -237px -166.6666666667px #00a6ff, -172px -178.6666666667px #d0ff00, 51px -72.6666666667px #1500ff, -206px 34.3333333333px #ff0015, 51px 11.3333333333px #ff0400, -149px -215.6666666667px #ff0048; } }
@-moz-keyframes bang {
to { box-shadow: -110px -104.6666666667px #00ff51, -3px 36.3333333333px #5eff00, 249px -295.6666666667px #00ff84, -165px -32.6666666667px #ff00e6, 49px -14.6666666667px #ff6600, -2px -370.6666666667px #00ddff, 60px -245.6666666667px #ddff00, 135px -205.6666666667px #00a6ff, 139px -204.6666666667px #ff00fb, -36px -155.6666666667px #00ff48, -75px 8.3333333333px #00ff84, -202px -139.6666666667px #00ff0d, 123px -84.6666666667px #00ffaa, 37px -396.6666666667px #6aff00, -157px -134.6666666667px #ff5900, 7px 6.3333333333px #ffbb00, 222px -15.6666666667px #66ff00, -114px -40.6666666667px #ffb700, -127px -49.6666666667px #ffb300, 130px -63.6666666667px #0080ff, 139px -11.6666666667px #0077ff, -167px -301.6666666667px #ff00e6, 55px -222.6666666667px #62ff00, 12px -10.6666666667px #95ff00, -240px -114.6666666667px #ff9900, -78px -210.6666666667px blue, 175px -142.6666666667px #3700ff, 83px -316.6666666667px #ff00c4, 69px -390.6666666667px #ff0040, -168px -361.6666666667px #00aaff, -44px -87.6666666667px #0040ff, 235px -415.6666666667px #ffae00, 45px 55.3333333333px #00ff0d, -61px -2.6666666667px #e600ff, -225px -59.6666666667px #59ff00, -30px 48.3333333333px #00f7ff, 211px -170.6666666667px #f700ff, -165px -209.6666666667px #37ff00, -131px -306.6666666667px #00ff66, -137px 54.3333333333px red, 42px -397.6666666667px #00e1ff, 230px -250.6666666667px #ff4d00, -172px -335.6666666667px #000dff, 143px -342.6666666667px #04ff00, -76px -194.6666666667px #fff200, -237px -166.6666666667px #00a6ff, -172px -178.6666666667px #d0ff00, 51px -72.6666666667px #1500ff, -206px 34.3333333333px #ff0015, 51px 11.3333333333px #ff0400, -149px -215.6666666667px #ff0048; } }
@-o-keyframes bang { to { box-shadow: -110px -104.6666666667px #00ff51, -3px 36.3333333333px #5eff00, 249px -295.6666666667px #00ff84, -165px -32.6666666667px #ff00e6, 49px -14.6666666667px #ff6600, -2px -370.6666666667px #00ddff, 60px -245.6666666667px #ddff00, 135px -205.6666666667px #00a6ff, 139px -204.6666666667px #ff00fb, -36px -155.6666666667px #00ff48, -75px 8.3333333333px #00ff84, -202px -139.6666666667px #00ff0d, 123px -84.6666666667px #00ffaa, 37px -396.6666666667px #6aff00, -157px -134.6666666667px #ff5900, 7px 6.3333333333px #ffbb00, 222px -15.6666666667px #66ff00, -114px -40.6666666667px #ffb700, -127px -49.6666666667px #ffb300, 130px -63.6666666667px #0080ff, 139px -11.6666666667px #0077ff, -167px -301.6666666667px #ff00e6, 55px -222.6666666667px #62ff00, 12px -10.6666666667px #95ff00, -240px -114.6666666667px #ff9900, -78px -210.6666666667px blue, 175px -142.6666666667px #3700ff, 83px -316.6666666667px #ff00c4, 69px -390.6666666667px #ff0040, -168px -361.6666666667px #00aaff, -44px -87.6666666667px #0040ff, 235px -415.6666666667px #ffae00, 45px 55.3333333333px #00ff0d, -61px -2.6666666667px #e600ff, -225px -59.6666666667px #59ff00, -30px 48.3333333333px #00f7ff, 211px -170.6666666667px #f700ff, -165px -209.6666666667px #37ff00, -131px -306.6666666667px #00ff66, -137px 54.3333333333px red, 42px -397.6666666667px #00e1ff, 230px -250.6666666667px #ff4d00, -172px -335.6666666667px #000dff, 143px -342.6666666667px #04ff00, -76px -194.6666666667px #fff200, -237px -166.6666666667px #00a6ff, -172px -178.6666666667px #d0ff00, 51px -72.6666666667px #1500ff, -206px 34.3333333333px #ff0015, 51px 11.3333333333px #ff0400, -149px -215.6666666667px #ff0048; } }
@-ms-keyframes bang { to { box-shadow: -110px -104.6666666667px #00ff51, -3px 36.3333333333px #5eff00, 249px -295.6666666667px #00ff84, -165px -32.6666666667px #ff00e6, 49px -14.6666666667px #ff6600, -2px -370.6666666667px #00ddff, 60px -245.6666666667px #ddff00, 135px -205.6666666667px #00a6ff, 139px -204.6666666667px #ff00fb, -36px -155.6666666667px #00ff48, -75px 8.3333333333px #00ff84, -202px -139.6666666667px #00ff0d, 123px -84.6666666667px #00ffaa, 37px -396.6666666667px #6aff00, -157px -134.6666666667px #ff5900, 7px 6.3333333333px #ffbb00, 222px -15.6666666667px #66ff00, -114px -40.6666666667px #ffb700, -127px -49.6666666667px #ffb300, 130px -63.6666666667px #0080ff, 139px -11.6666666667px #0077ff, -167px -301.6666666667px #ff00e6, 55px -222.6666666667px #62ff00, 12px -10.6666666667px #95ff00, -240px -114.6666666667px #ff9900, -78px -210.6666666667px blue, 175px -142.6666666667px #3700ff, 83px -316.6666666667px #ff00c4, 69px -390.6666666667px #ff0040, -168px -361.6666666667px #00aaff, -44px -87.6666666667px #0040ff, 235px -415.6666666667px #ffae00, 45px 55.3333333333px #00ff0d, -61px -2.6666666667px #e600ff, -225px -59.6666666667px #59ff00, -30px 48.3333333333px #00f7ff, 211px -170.6666666667px #f700ff, -165px -209.6666666667px #37ff00, -131px -306.6666666667px #00ff66, -137px 54.3333333333px red, 42px -397.6666666667px #00e1ff, 230px -250.6666666667px #ff4d00, -172px -335.6666666667px #000dff, 143px -342.6666666667px #04ff00, -76px -194.6666666667px #fff200, -237px -166.6666666667px #00a6ff, -172px -178.6666666667px #d0ff00, 51px -72.6666666667px #1500ff, -206px 34.3333333333px #ff0015, 51px 11.3333333333px #ff0400, -149px -215.6666666667px #ff0048; } }
@keyframes bang { to { box-shadow: -110px -104.6666666667px #00ff51, -3px 36.3333333333px #5eff00, 249px -295.6666666667px #00ff84, -165px -32.6666666667px #ff00e6, 49px -14.6666666667px #ff6600, -2px -370.6666666667px #00ddff, 60px -245.6666666667px #ddff00, 135px -205.6666666667px #00a6ff, 139px -204.6666666667px #ff00fb, -36px -155.6666666667px #00ff48, -75px 8.3333333333px #00ff84, -202px -139.6666666667px #00ff0d, 123px -84.6666666667px #00ffaa, 37px -396.6666666667px #6aff00}}}
</style>
</head>
<body>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<boche></boche>
<div class="mobile">最大化查看</div>
<div class="pyro">
<div class="before"></div>
<div class="after"></div>
</div>
<h2>Happy Birthday!<br/></h2>
<h1><br/>Feliz Cumpleaños Pratik!</h1>
<span></span>
<div class="candle">
<div id="flame" class="lit"></div>
</div>
<div class="cake"></div>
<div class="plate"></div>
</body>
</html>代码分析
此 HTML 和 CSS 代码创建了一个带有庆祝动画效果的生日主题网页。此页面的主要元素包括渐变背景、3D 效果的生日蛋糕、动画烟花和闪烁的蜡烛火焰，下面让我们分解一下代码的关键组件。
1. HTML 结构
HTML 结构很简单，定义了蛋糕和装饰品等基本元素。元素被赋予类，然后在 CSS 中设置样式。
2. CSS 样式
CSS 负责视觉美感和动画。它使用高级 CSS 功能，如渐变、动画关键帧和 3D 效果变换。
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字体和基本样式：代码为页面导入 Google 字体（“Concert One”和“Pacifico”）。移动样式适用于大文本，对于屏幕小于 670px 的设备，某些元素会使用媒体查询进行隐藏。
-
背景和文本样式：
body具有从紫色过渡到蓝色的线性渐变背景。h1、h2和span元素的样式显示带有渐变填充的文本，这些文本与背景融合在一起，从而创建了视觉上吸引人的标题。 -
散景动画（烟花效果）：
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bokeh类定义随机放置在屏幕上的小圆圈。每个bokeh元素都有不同的动画延迟和持续时间，使它们在不同的时间出现。 -
@keyframes explosive规则通过逐渐增加这些散景元素的不透明度，然后将它们平移到屏幕上，模拟烟花，从而为这些散景元素制作动画。 -
蛋糕和盘子：
-
.cake类使用box-shadow创建 3D 外观的蛋糕，为各层添加深度和不同颜色。蛋糕位于中心，呈圆形。 -
.plate类使用radial-gradient创建蛋糕下方盘子的外观，使其看起来像场景中真实的一部分。 -
蜡烛和火焰：
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.candle类使用线性渐变样式，使其看起来呈圆柱形。它位于蛋糕顶部。 -
#flame和.lit类使用渐变和圆角创建火焰形状。火焰具有使用@keyframes flicker动画实现的闪烁效果。动画略微倾斜火焰并改变box-shadow，给人一种真实火焰闪烁的错觉。 -
烟花粒子（烟火效果）：
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.pyro类使用box-shadow创建一组小点，以产生烟花效果。这些点使用控制其爆炸（“bang”）、重力和定位的关键帧进行动画处理，使其类似于烟花表演。
3. 响应式设计
代码包括媒体查询，可根据屏幕大小调整某些元素的可见性和样式。这使得页面在移动设备和桌面设备上都具有响应性和视觉吸引力。
4. 动画
使用 @keyframes 是动态效果的核心：
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爆炸：控制散景元素的运动和可见性。
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闪烁：为蜡烛火焰提供微妙的闪烁，增强真实感。
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爆炸：使用向外爆裂的多个彩色点模拟烟花爆炸。
5. 渐变和阴影
使用渐变作为背景、文本和其他元素可以为设计增添深度和节日气氛。阴影被广泛用于营造层次感和 3D 效果，尤其是在蛋糕上。
此代码创建了视觉丰富且具有交互性的生日庆祝体验。它有效地结合了 CSS 动画、渐变和阴影，以制作出动态且吸引人的场景。使用媒体查询可确保设计具有响应性，可适应不同的屏幕尺寸，同时保持其美感。
系列文章
| 序号 | 目录 |
| 1 | HTML满屏跳动的爱心（可写字） |
| 2 | HTML五彩缤纷的爱心 |
| 3 | HTML满屏漂浮爱心 |
| 4 | HTML情人节快乐 |
| 5 | HTML蓝色爱心射线 |
| 6 | HTML跳动的爱心（简易版） |
| 7 | HTML粒子爱心 |
| 8 | HTML蓝色动态爱心 |
| 9 | HTML跳动的爱心（双心版） |
| 10 | HTML橙色动态粒子爱心 |
| 11 | HTML旋转爱心 |
| 12 | HTML爱情树 |
| 13 | HTML3D相册 |
| 14 | HTML旋转相册 |
| 15 | HTML基础烟花秀 |
| 16 | HTML炫酷烟花秀 |
| 17 | HTML粉色烟花秀 |
| 18 | HTML新春烟花 |
| 19 | HTML龙年大吉 |
| 20 | HTML圣诞树 |
| 21 | HTML大雪纷飞 |
| 22 | HTML想见你 |
| 23 | HTML元素周期表 |
| 24 | HTML飞舞的花瓣 |
| 25 | HTML星空特效 |
| 26 | HTML黑客帝国字母雨 |
| 27 | HTML哆啦A梦 |
| 28 | HTML流星雨 |
| 29 | HTML沙漏爱心 |
| 30 | HTML爱心字母雨 |
| 31 | HTML爱心流星雨 |
| 32 | HTML生日蛋糕 |
写在最后
我是一只有趣的兔子，感谢你的喜欢！