js实现十五种字母文字入场进场动画效果代码-html代码-BFW代码库

代码语言：html
所属分类：动画
代码描述：js实现十五种字母文字入场进场动画效果代码
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html >
<head>
  <meta charset="UTF-8">
<style>
    @import "https://fonts.googleapis.com/css?family=Baloo+Chettan|Gloria+Hallelujah";
html, body, .anim-wrap {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  font-family: Helvetica Neueu, HelveticaNeueu, Helvetica, Arial, sans-serif;
  overflow: hidden;
}

.anim-wrap {
  position: absolute;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.anim-text {
  font: 4em "Baloo Chettan", Helvetica Neueu, HelveticaNeueu, Helvetica, Arial;
  white-space: nowrap;
  min-width: 1em;
  min-height: 1.2em;
  border-bottom: 1px solid transparent;
  caret-color: #f20dcc;
}
.anim-text:empty, .anim-text:focus {
  border-bottom-color: #f20dcc;
  outline: none;
}

.char {
  position: relative;
  margin: 0 .05em;
}

.char,
.letter-inner {
  display: inline-block;
}

.anim[data-effect=fade] > .letter {
  animation: fadeIn 1.5s backwards;
}
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(2);
  }
}
.anim[data-effect=slide] > .letter {
  animation: slide 1s backwards;
  transform-origin: bottom left;
}
@keyframes slide {
  0% {
    transform: translateX(90vw) skew(-17deg) scaleX(3);
    animation-timing-function: ease-in;
  }
  80% {
    transform: translateX(0) skew(-17deg) scaleX(3);
    animation-timing-function: ease-out;
  }
  88% {
    transform: translateX(0) skew(12deg) scaleX(0.8);
    animation-timing-function: ease-in-out;
  }
  95% {
    transform: translateX(0) skew(-5deg) scaleX(1);
    animation-timing-function: ease-in-out;
  }
  100% {
    transform: translateX(0) skew(0deg) scaleX(1);
    animation-timing-function: ease-in-out;
  }
}
@keyframes slideIn {
  from {
    transform: translateX(70vw);
  }
}
.anim[data-effect=roll] > .letter {
  animation: rollIn 1.1s cubic-bezier(0, 0, 0.6, 1) backwards;
}
@keyframes rollIn {
  from {
    transform: translateX(90vw) rotate(1200deg);
  }
}
.anim[data-effect=peel] > .letter {
  animation: peelIn 2s backwards ease-in-out;
}
.anim[data-effect=peel] > .letter > .letter-inner {
  animation: rotateY 1.3s 0.7s backwards ease-in;
}
@keyframes peelIn {
  from {
    transform: translate(-100vw, 0);
  }
}
@keyframes rotateY {
  from {
    transform: scale(3) rotateY(180deg);
  }
}
.anim[data-effect=swivel] > .letter:not(.space)::before {
  background: currentColor;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: .2;
}
.anim[data-effect=swivel] {
  perspective: 100vmax;
  perspective-origin: top;
}
.anim[data-effect=swivel] > .letter {
  padding: 0 .1em;
  animation: swivel 5s backwards;
  transform-origin: top;
}
@keyframes swivel {
  0% {
    transform: rotateX(-90deg);
  }
  10% {
    transform: rotateX(82deg);
  }
  20% {
    transform: rotateX(-74deg);
  }
  30% {
    transform: rotateX(66deg);
  }
  39% {
    transform: rotateX(-58deg);
  }
  48% {
    transform: rotateX(50deg);
  }
  56% {
    transform: rotateX(-42deg);
  }
  63% {
    transform: rotateX(35deg);
  }
  70% {
    transform: rotateX(-28deg);
  }
  77% {
    transform: rotateX(21deg);
  }
  83% {
    transform: rotateX(-15deg);
  }
  89% {
    transform: rotateX(9deg);
  }
  95% {
    transform: rotateX(-4deg);
  }
  100% {
    transform: none;
  }
}
.anim[data-effect=hop] > .letter {
  animation: slideIn 2s linear backwards;
}
.anim[data-effect=hop] > .letter > .letter-inner {
  animation: hop .1s 20 alternate;
}
@keyframes hop {
  to {
    transform: translateY(-0.6em);
  }
}
.anim[data-effect=wave] {
  animation: slideIn 3s linear backwards;
}
.anim[data-effect=wave] > .letter {
  animation: hop .15s 20 alternate;
}
.anim[data-effect=wave2] {
  animation: slideIn 3s linear backwards;
}
.anim[data-effect=wave2] > .letter {
  animation: inflate .5s 6 linear alternate;
}
@keyframes inflate {
  to {
    transform: scale(2);
  }
}
.anim[data-effect=converge] > .letter {
  animation: converge 2.5s forwards;
}
.anim[data-effect=converge] > .letter:nth-child(1n) {
  transform: translate(100vw, 16vh);
}
.anim[data-effect=converge] > .letter:nth-child(2n) {
  transform: translate(-100vw, 53vh);
}
.anim[data-effect=converge] > .letter:nth-child(3n) {
  transform: translate(-64vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(4n) {
  transform: translate(-82vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(5n) {
  transform: translate(-100vw, -44vh);
}
.anim[data-effect=converge] > .letter:nth-child(6n) {
  transform: translate(28vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(7n) {
  transform: translate(-68vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(8n) {
  transform: translate(-69vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(9n) {
  transform: translate(-41vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(10n) {
  transform: translate(19vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(11n) {
  transform: translate(45vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(12n) {
  transform: translate(-34vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(13n) {
  transform: translate(-100vw, -70vh);
}
.anim[data-effect=converge] > .letter:nth-child(14n) {
  transform: translate(100vw, -74vh);
}
.anim[data-effect=converge] > .letter:nth-child(15n) {
  transform: translate(100vw, 78vh);
}
.anim[data-effect=converge] > .letter:nth-child(16n) {
  transform: translate(100vw, -60vh);
}
.anim[data-effect=converge] > .letter:nth-child(17n) {
  transform: translate(-48vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(18n) {
  transform: translate(47vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(19n) {
  transform: translate(-95vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(20n) {
  transform: translate(44vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(21n) {
  transform: translate(100vw, 14vh);
}
.anim[data-effect=converge] > .letter:nth-child(22n) {
  transform: translate(100vw, 62vh);
}
.anim[data-effect=converge] > .letter:nth-child(23n) {
  transform: translate(100vw, 18vh);
}
.anim[data-effect=converge] > .letter:nth-child(24n) {
  transform: translate(-100vw, -93vh);
}
.anim[data-effect=converge] > .letter:nth-child(25n) {
  transform: translate(40vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(26n) {
  transform: translate(40vw, -100vh);
}
.anim[data-effect=converge] > .letter:nth-child(27n) {
  transform: translate(19vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(28n) {
  transform: translate(-100vw, -78vh);
}
.anim[data-effect=converge] > .letter:nth-child(29n) {
  transform: translate(31vw, 100vh);
}
.anim[data-effect=converge] > .letter:nth-child(30n) {
  transform: translate(89vw, -100vh);
}
@keyframes converge {
  to {
    transform: translate(0, 0);
  }
}
.anim[data-effect=spiral] > .letter {
  animation: spiral 3s ease-in both;
}
@keyframes spiral {
  from {
    transform: rotate(720deg) translateY(-60vmax);
  }
}
.anim[data-effect=snow] > .letter {
  animation: snow 5s cubic-bezier(0.68, 0.21, 0.7, 1) both;
}
.anim[data-effect=snow] > .letter > .letter-inner {
  animation: sway 1s cubic-bezier(0.46, 0.03, 0.52, 0.96) 5 alternate;
}
@keyframes snow {
  from {
    transform: translateY(-60vh);
  }
}
@keyframes sway {
  from {
    transform: translate(2em, 0);
  }
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .char {
  margin: 0 .15em;
  animation: 0.5s cubic-bezier(0.33, 0.08, 0.7, 0.32) forwards;
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 1) {
  animation-name: meteorite;
  transform: translate(-0.36276vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 1) > .letter-inner {
  transform: translate(0.08505em, 0.05094em) rotate(-4.44337deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 2) {
  animation-name: meteorite;
  transform: translate(-20.49138vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 2) > .letter-inner {
  transform: translate(-0.01793em, 0.14962em) rotate(-8.74755deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 3) {
  animation-name: meteorite;
  transform: translate(0.87248vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 3) > .letter-inner {
  transform: translate(-0.01888em, 0.02271em) rotate(-8.29954deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 4) {
  animation-name: meteorite;
  transform: translate(-10.43181vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 4) > .letter-inner {
  transform: translate(0.00546em, -0.0899em) rotate(9.55203deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 5) {
  animation-name: meteorite;
  transform: translate(-5.28168vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 5) > .letter-inner {
  transform: translate(0.06745em, 0.06255em) rotate(-2.96724deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 6) {
  animation-name: meteorite;
  transform: translate(-21.27314vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 6) > .letter-inner {
  transform: translate(0.04399em, 0.0612em) rotate(-7.64878deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 7) {
  animation-name: meteorite;
  transform: translate(14.61929vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 7) > .letter-inner {
  transform: translate(-0.0652em, -0.1186em) rotate(-9.13605deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 8) {
  animation-name: meteorite;
  transform: translate(4.52104vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 8) > .letter-inner {
  transform: translate(0.0024em, -0.06967em) rotate(1.27285deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 9) {
  animation-name: meteorite;
  transform: translate(-18.62678vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 9) > .letter-inner {
  transform: translate(0.09923em, 0.0558em) rotate(1.78917deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 10) {
  animation-name: meteorite;
  transform: translate(-3.69557vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 10) > .letter-inner {
  transform: translate(0.03218em, 0.11335em) rotate(0.70013deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 11) {
  animation-name: meteorite;
  transform: translate(-8.07971vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 11) > .letter-inner {
  transform: translate(-0.00011em, -0.0629em) rotate(-4.9396deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 12) {
  animation-name: meteorite;
  transform: translate(-22.90354vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 12) > .letter-inner {
  transform: translate(0.00016em, 0.14889em) rotate(-0.54917deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 13) {
  animation-name: meteorite;
  transform: translate(-21.49605vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 13) > .letter-inner {
  transform: translate(0.0373em, -0.04177em) rotate(-9.83584deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 14) {
  animation-name: meteorite;
  transform: translate(-3.95026vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 14) > .letter-inner {
  transform: translate(-0.07053em, -0.06585em) rotate(-4.21187deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 15) {
  animation-name: meteorite;
  transform: translate(-16.61972vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 15) > .letter-inner {
  transform: translate(0.03399em, 0.08357em) rotate(5.41054deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 16) {
  animation-name: meteorite;
  transform: translate(-10.57409vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 16) > .letter-inner {
  transform: translate(-0.03em, -0.02389em) rotate(5.67848deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 17) {
  animation-name: meteorite;
  transform: translate(-6.80277vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 17) > .letter-inner {
  transform: translate(0.0123em, -0.04195em) rotate(-6.38506deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 18) {
  animation-name: meteorite;
  transform: translate(-18.60187vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 18) > .letter-inner {
  transform: translate(0.0956em, 0.02989em) rotate(8.07044deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 19) {
  animation-name: meteorite;
  transform: translate(11.54511vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 19) > .letter-inner {
  transform: translate(0.0305em, -0.08768em) rotate(7.61292deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 20) {
  animation-name: meteorite;
  transform: translate(-21.05488vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 20) > .letter-inner {
  transform: translate(-0.09335em, -0.05281em) rotate(4.0278deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 21) {
  animation-name: meteorite;
  transform: translate(21.99968vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 21) > .letter-inner {
  transform: translate(-0.05463em, -0.08772em) rotate(4.99263deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 22) {
  animation-name: meteorite;
  transform: translate(14.67712vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 22) > .letter-inner {
  transform: translate(0.0368em, -0.03168em) rotate(9.42144deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 23) {
  animation-name: meteorite;
  transform: translate(18.24423vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 23) > .letter-inner {
  transform: translate(0.06242em, -0.0467em) rotate(0.32212deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 24) {
  animation-name: meteorite;
  transform: translate(-20.11278vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 24) > .letter-inner {
  transform: translate(-0.01524em, 0.00695em) rotate(5.94642deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 25) {
  animation-name: meteorite;
  transform: translate(-0.32166vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 25) > .letter-inner {
  transform: translate(-0.08526em, 0.09999em) rotate(-0.45419deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 26) {
  animation-name: meteorite;
  transform: translate(-8.01373vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 26) > .letter-inner {
  transform: translate(0.02058em, -0.10802em) rotate(0.16829deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 27) {
  animation-name: meteorite;
  transform: translate(-2.29585vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 27) > .letter-inner {
  transform: translate(0.05432em, 0.05205em) rotate(1.87377deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 28) {
  animation-name: meteorite;
  transform: translate(-20.95665vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 28) > .letter-inner {
  transform: translate(0.01315em, 0.0112em) rotate(3.13991deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 29) {
  animation-name: meteorite;
  transform: translate(-13.3309vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 29) > .letter-inner {
  transform: translate(0.04035em, 0.01514em) rotate(8.8981deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 30) {
  animation-name: meteorite;
  transform: translate(9.90322vw, -60vh);
}
.anim[data-effect=meteorite] > .letter:nth-child(30n + 30) > .letter-inner {
  transform: translate(-0.07798em, 0.04774em) rotate(-2.3314deg);
}
@keyframes meteorite {
  to {
    transform: none;
  }
}
.anim[data-effect=bounce] > .letter {
  animation: bounce 2s ease-in both;
}
@keyframes bounce {
  0% {
    transform: translateY(-60vh);
    animation-timing-function: cubic-bezier(0.5, 0, 0.82, 0.52);
  }
  37% {
    transform: none;
    animation-timing-function: cubic-bezier(0.18, 0.48, 0.5, 1);
  }
  55% {
    transform: translateY(-25vh);
    animation-timing-function: cubic-bezier(0.5, 0, 0.82, 0.52);
  }
  73% {
    transform: none;
    animation-timing-function: cubic-bezier(0.18, 0.48, 0.5, 1);
  }
  81% {
    transform: translateY(-10vh);
    animation-timing-function: cubic-bezier(0.5, 0, 0.82, 0.52);
  }
  89% {
    transform: none;
    animation-timing-function: cubic-bezier(0.18, 0.48, 0.5, 1);
  }
  93% {
    transform: translateY(-4vh);
    animation-timing-function: cubic-bezier(0.5, 0, 0.82, 0.52);
  }
  97% {
    transform: none;
    animation-timing-function: cubic-bezier(0.18, 0.48, 0.5, 1);
  }
  98.5% {
    transform: translateY(-1.1vh);
    animation-timing-function: cubic-bezier(0.5, 0, 0.82, 0.52);
  }
  100% {
    transform: none;
    animation-timing-function: cubic-bezier(0.18, 0.48, 0.5, 1);
  }
}
.anim[data-effect=float] > .letter {
  animation: float 18s ease-in-out backwards;
}
.anim[data-effect=float] > .letter > .letter-inner {
  animation: float-perpetual ease-in-out 10s 18s infinite alternate;
}
@keyframes float {
  0% {
    transform: translateY(60vh);
  }
  33% {
    transform: translateY(-8vh);
  }
  51% {
    transform: translateY(6vh);
  }
  66% {
    transform: translateY(-4vh);
  }
  80% {
    transform: translateY(3vh);
  }
  91% {
    transform: translateY(-1.3vh);
  }
  100% {
    transform: none;
  }
}
@keyframes float-perpetual {
  0% {
    transform: translateY(0);
  }
  37% {
    transform: translateY(-1.5vh);
  }
  58% {
    transform: translateY(1.3vh);
  }
  81% {
    transform: translateY(-1vh);
  }
  100% {
    transform: translateY(0.8vh);
  }
}
.anim[data-effect=bubble] > .letter {
  position: relative;
  animation: bubble-letter 1.3s cubic-bezier(0, 0, 0.33, 1) both;
}
.anim[data-effect=bubble] > .letter::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: 3px solid;
  border-radius: 999px;
  animation: bubble 2.6s cubic-bezier(0, 0.41, 0.28, 1) both;
  animation-delay: inherit;
}
.anim[data-effect=bubble] > .letter::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: currentColor;
  border-radius: 999px;
  animation: bubble 2.6s cubic-bezier(0, 0.41, 0.28, 1) both;
  animation-delay: inherit;
  opacity: 0.3;
}
@keyframes bubble-letter {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes bubble {
  from {
    width: 0;
    height: 0;
  }
  to {
    width: 10em;
    height: 10em;
    opacity: 0;
    visibility: hidden;
  }
}
.btn, .control {
  padding: .5em 1em;
  font-size: 1.2em;
}

.btn {
  background: #f20dcc;
  border: 1px solid transparent;
  color: white;
  cursor: pointer;
  transition: .25s;
}

.btn:hover, .btn:focus {
  background: #f655db;
}

select {
  border: none;
  outline-color: #f20dcc;
}

#controls {
  position: absolute;
  right: 1px;
  top: 1px;
  border-bottom-left-radius: 5px;
  box-shadow: -1px 2px 13px rgba(51, 0, 43, 0.4);
}

#controls button {
  width: -moz-available;
  width: -webkit-fill-available;
  width: fill-available;
  border-bottom-left-radius: 5px;
}.........完整代码请登录后点击上方下载按钮下载查看