使用CSS3实现超炫的Loading（加载）动画效果

  　　SpinKit 是一套网页动画效果，包含8种基于 CSS3 实现的很炫的加载动画。借助 CSS3 Animation 的强大功能来创建平滑，易于定制的动画。SpinKit 的目标不是提供一个每个浏览器都兼容的解决方案，而是给现代浏览器提供更优的技术实现方案和更佳的使用体验。（为保证最佳的效果，请在 Chrome、Firefox 和 Safari 等现代浏览器中浏览）

　　Loading 动画效果一

　　HTML 代码：

<div class="spinner">  <div class="rect1"></div>  <div class="rect2"></div>  <div class="rect3"></div>  <div class="rect4"></div>  <div class="rect5"></div></div>

　　CSS 代码：

.spinner {  margin: 100px auto;  width: 50px;  height: 60px;  text-align: center;  font-size: 10px;}.spinner > div {  background-color: #67CF22;  height: 100%;  width: 6px;  display: inline-block;    -webkit-animation: stretchdelay 1.2s infinite ease-in-out;  animation: stretchdelay 1.2s infinite ease-in-out;}.spinner .rect2 {  -webkit-animation-delay: -1.1s;  animation-delay: -1.1s;}.spinner .rect3 {  -webkit-animation-delay: -1.0s;  animation-delay: -1.0s;}.spinner .rect4 {  -webkit-animation-delay: -0.9s;  animation-delay: -0.9s;}.spinner .rect5 {  -webkit-animation-delay: -0.8s;  animation-delay: -0.8s;}@-webkit-keyframes stretchdelay {  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }    20% { -webkit-transform: scaleY(1.0) }}@keyframes stretchdelay {  0%, 40%, 100% {     transform: scaleY(0.4);    -webkit-transform: scaleY(0.4);  }  20% {     transform: scaleY(1.0);    -webkit-transform: scaleY(1.0);  }}

　　Loading 动画效果二

　　HTML 代码：

<div class="spinner"></div>

　　CSS 代码：

.spinner {  width: 60px;  height: 60px;  background-color: #67CF22;  margin: 100px auto;  -webkit-animation: rotateplane 1.2s infinite ease-in-out;  animation: rotateplane 1.2s infinite ease-in-out;}@-webkit-keyframes rotateplane {  0% { -webkit-transform: perspective(120px) }  50% { -webkit-transform: perspective(120px) rotateY(180deg) }  100% { -webkit-transform: perspective(120px) rotateY(180deg)  rotateX(180deg) }}@keyframes rotateplane {  0% {     transform: perspective(120px) rotateX(0deg) rotateY(0deg);    -webkit-transform: perspective(120px) rotateX(0deg) rotateY(0deg)   } 50% {     transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg);    -webkit-transform: perspective(120px) rotateX(-180.1deg) rotateY(0deg)   } 100% {     transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);    -webkit-transform: perspective(120px) rotateX(-180deg) rotateY(-179.9deg);  }}

　　Loading 动画效果三

　　HTML 代码：

<div class="spinner">  <div class="double-bounce1"></div>  <div class="double-bounce2"></div></div>

　　CSS 代码：

.spinner {  width: 60px;  height: 60px;  position: relative;  margin: 100px auto;}.double-bounce1, .double-bounce2 {  width: 100%;  height: 100%;  border-radius: 50%;  background-color: #67CF22;  opacity: 0.6;  position: absolute;  top: 0;  left: 0;    -webkit-animation: bounce 2.0s infinite ease-in-out;  animation: bounce 2.0s infinite ease-in-out;}.double-bounce2 {  -webkit-animation-delay: -1.0s;  animation-delay: -1.0s;}@-webkit-keyframes bounce {  0%, 100% { -webkit-transform: scale(0.0) }  50% { -webkit-transform: scale(1.0) }}@keyframes bounce {  0%, 100% {     transform: scale(0.0);    -webkit-transform: scale(0.0);  } 50% {     transform: scale(1.0);    -webkit-transform: scale(1.0);  }}

　　Loading 动画效果四

　　HTML 代码：

<div class="spinner">  <div class="cube1"></div>  <div class="cube2"></div></div>

　　CSS 代码：

.spinner {  margin: 100px auto;  width: 32px;  height: 32px;  position: relative;}.cube1, .cube2 {  background-color: #67CF22;  width: 30px;  height: 30px;  position: absolute;  top: 0;  left: 0;    -webkit-animation: cubemove 1.8s infinite ease-in-out;  animation: cubemove 1.8s infinite ease-in-out;}.cube2 {  -webkit-animation-delay: -0.9s;  animation-delay: -0.9s;}@-webkit-keyframes cubemove {  25% { -webkit-transform: translateX(42px) rotate(-90deg) scale(0.5) }  50% { -webkit-transform: translateX(42px) translateY(42px) rotate(-180deg) }  75% { -webkit-transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5) }  100% { -webkit-transform: rotate(-360deg) }}@keyframes cubemove {  25% {     transform: translateX(42px) rotate(-90deg) scale(0.5);    -webkit-transform: translateX(42px) rotate(-90deg) scale(0.5);  } 50% {     transform: translateX(42px) translateY(42px) rotate(-179deg);    -webkit-transform: translateX(42px) translateY(42px) rotate(-179deg);  } 50.1% {     transform: translateX(42px) translateY(42px) rotate(-180deg);    -webkit-transform: translateX(42px) translateY(42px) rotate(-180deg);  } 75% {     transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5);    -webkit-transform: translateX(0px) translateY(42px) rotate(-270deg) scale(0.5);  } 100% {     transform: rotate(-360deg);    -webkit-transform: rotate(-360deg);  }}

　　Loading 动画效果五

　　HTML 代码：

<div class="spinner">  <div class="dot1"></div>  <div class="dot2"></div></div>

　　CSS 代码：

.spinner {  margin: 100px auto;  width: 90px;  height: 90px;  position: relative;  text-align: center;    -webkit-animation: rotate 2.0s infinite linear;  animation: rotate 2.0s infinite linear;}.dot1, .dot2 {  width: 60%;  height: 60%;  display: inline-block;  position: absolute;  top: 0;  background-color: #67CF22;  border-radius: 100%;    -webkit-animation: bounce 2.0s infinite ease-in-out;  animation: bounce 2.0s infinite ease-in-out;}.dot2 {  top: auto;  bottom: 0px;  -webkit-animation-delay: -1.0s;  animation-delay: -1.0s;}@-webkit-keyframes rotate { 100% { -webkit-transform: rotate(360deg) }}@keyframes rotate { 100% { transform: rotate(360deg); -webkit-transform: rotate(360deg) }}@-webkit-keyframes bounce {  0%, 100% { -webkit-transform: scale(0.0) }  50% { -webkit-transform: scale(1.0) }}@keyframes bounce {  0%, 100% {     transform: scale(0.0);    -webkit-transform: scale(0.0);  } 50% {     transform: scale(1.0);    -webkit-transform: scale(1.0);  }}

　　Loading 动画效果六

　　HTML 代码：

<div class="spinner">  <div class="bounce1"></div>  <div class="bounce2"></div>  <div class="bounce3"></div></div>

　　CSS 代码：

.spinner {  margin: 100px auto 0;  width: 150px;  text-align: center;}.spinner > div {  width: 30px;  height: 30px;  background-color: #67CF22;  border-radius: 100%;  display: inline-block;  -webkit-animation: bouncedelay 1.4s infinite ease-in-out;  animation: bouncedelay 1.4s infinite ease-in-out;  /* Prevent first frame from flickering when animation starts */  -webkit-animation-fill-mode: both;  animation-fill-mode: both;}.spinner .bounce1 {  -webkit-animation-delay: -0.32s;  animation-delay: -0.32s;}.spinner .bounce2 {  -webkit-animation-delay: -0.16s;  animation-delay: -0.16s;}@-webkit-keyframes bouncedelay {  0%, 80%, 100% { -webkit-transform: scale(0.0) }  40% { -webkit-transform: scale(1.0) }}@keyframes bouncedelay {  0%, 80%, 100% {     transform: scale(0.0);    -webkit-transform: scale(0.0);  } 40% {     transform: scale(1.0);    -webkit-transform: scale(1.0);  }}

　　Loading 动画效果七

　　HTML 代码：

<div class="spinner"></div>

　　CSS 代码：

.spinner {  width: 40px;  height: 40px;  margin: 100px auto;  background-color: #333;  border-radius: 100%;    -webkit-animation: scaleout 1.0s infinite ease-in-out;  animation: scaleout 1.0s infinite ease-in-out;}@-webkit-keyframes scaleout {  0% { -webkit-transform: scale(0.0) }  100% {    -webkit-transform: scale(1.0);    opacity: 0;  }}@keyframes scaleout {  0% {     transform: scale(0.0);    -webkit-transform: scale(0.0);  } 100% {    transform: scale(1.0);    -webkit-transform: scale(1.0);    opacity: 0;  }}

　　Loading 动画效果八

　　HTML 代码：

<div class="spinner">  <div class="spinner-container container1">    <div class="circle1"></div>    <div class="circle2"></div>    <div class="circle3"></div>    <div class="circle4"></div>  </div>  <div class="spinner-container container2">    <div class="circle1"></div>    <div class="circle2"></div>    <div class="circle3"></div>    <div class="circle4"></div>  </div>  <div class="spinner-container container3">    <div class="circle1"></div>    <div class="circle2"></div>    <div class="circle3"></div>    <div class="circle4"></div>  </div></div>

　　CSS 代码：

.spinner {  margin: 100px auto;  width: 20px;  height: 20px;  position: relative;}.container1 > div, .container2 > div, .container3 > div {  width: 6px;  height: 6px;  background-color: #333;  border-radius: 100%;  position: absolute;  -webkit-animation: bouncedelay 1.2s infinite ease-in-out;  animation: bouncedelay 1.2s infinite ease-in-out;  -webkit-animation-fill-mode: both;  animation-fill-mode: both;}.spinner .spinner-container {  position: absolute;  width: 100%;  height: 100%;}.container2 {  -webkit-transform: rotateZ(45deg);  transform: rotateZ(45deg);}.container3 {  -webkit-transform: rotateZ(90deg);  transform: rotateZ(90deg);}.circle1 { top: 0; left: 0; }.circle2 { top: 0; right: 0; }.circle3 { right: 0; bottom: 0; }.circle4 { left: 0; bottom: 0; }.container2 .circle1 {  -webkit-animation-delay: -1.1s;  animation-delay: -1.1s;}.container3 .circle1 {  -webkit-animation-delay: -1.0s;  animation-delay: -1.0s;}.container1 .circle2 {  -webkit-animation-delay: -0.9s;  animation-delay: -0.9s;}.container2 .circle2 {  -webkit-animation-delay: -0.8s;  animation-delay: -0.8s;}.container3 .circle2 {  -webkit-animation-delay: -0.7s;  animation-delay: -0.7s;}.container1 .circle3 {  -webkit-animation-delay: -0.6s;  animation-delay: -0.6s;}.container2 .circle3 {  -webkit-animation-delay: -0.5s;  animation-delay: -0.5s;}.container3 .circle3 {  -webkit-animation-delay: -0.4s;  animation-delay: -0.4s;}.container1 .circle4 {  -webkit-animation-delay: -0.3s;  animation-delay: -0.3s;}.container2 .circle4 {  -webkit-animation-delay: -0.2s;  animation-delay: -0.2s;}.container3 .circle4 {  -webkit-animation-delay: -0.1s;  animation-delay: -0.1s;}@-webkit-keyframes bouncedelay {  0%, 80%, 100% { -webkit-transform: scale(0.0) }  40% { -webkit-transform: scale(1.0) }}@keyframes bouncedelay {  0%, 80%, 100% {     transform: scale(0.0);    -webkit-transform: scale(0.0);  } 40% {     transform: scale(1.0);    -webkit-transform: scale(1.0);  }}

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