1 | <div class="spinner"></div> |
CSS
1 | .spinner { width: 40px; height: 40px; background-color: #333; margin: 100px auto; -webkit-animation: sk-rotateplane 1.2s infinite ease-in-out; animation: sk-rotateplane 1.2s infinite ease-in-out;}@-webkit-keyframes sk-rotateplane { 0% { -webkit-transform: perspective(120px) } 50% { -webkit-transform: perspective(120px) rotateY(180deg) } 100% { -webkit-transform: perspective(120px) rotateY(180deg) rotateX(180deg) }}@keyframes sk-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); }} |
解析：定义一个div元素，设置边长为 40px 背景白色的正方形，然后设置循环翻转动画实现该加载效果动画
perspective 属性定义 3D 元素距视图的距离
HTML
1 | <div class="sk-chase"> <div class="sk-chase-dot"></div> <div class="sk-chase-dot"></div> <div class="sk-chase-dot"></div> <div class="sk-chase-dot"></div> <div class="sk-chase-dot"></div> <div class="sk-chase-dot"></div></div> |
CSS
1 | .sk-chase { width: 40px; height: 40px; position: relative; animation: sk-chase 2.5s infinite linear both;}.sk-chase-dot { width: 100%; height: 100%; position: absolute; left: 0; top: 0; animation: sk-chase-dot 2.0s infinite ease-in-out both; }.sk-chase-dot:before { content: \'\'; display: block; width: 25%; height: 25%; background-color: #fff; border-radius: 100%; animation: sk-chase-dot-before 2.0s infinite ease-in-out both; }.sk-chase-dot:nth-child(1) { animation-delay: -1.1s; }.sk-chase-dot:nth-child(2) { animation-delay: -1.0s; }.sk-chase-dot:nth-child(3) { animation-delay: -0.9s; }.sk-chase-dot:nth-child(4) { animation-delay: -0.8s; }.sk-chase-dot:nth-child(5) { animation-delay: -0.7s; }.sk-chase-dot:nth-child(6) { animation-delay: -0.6s; }.sk-chase-dot:nth-child(1):before { animation-delay: -1.1s; }.sk-chase-dot:nth-child(2):before { animation-delay: -1.0s; }.sk-chase-dot:nth-child(3):before { animation-delay: -0.9s; }.sk-chase-dot:nth-child(4):before { animation-delay: -0.8s; }.sk-chase-dot:nth-child(5):before { animation-delay: -0.7s; }.sk-chase-dot:nth-child(6):before { animation-delay: -0.6s; }@keyframes sk-chase { 100% { transform: rotate(360deg); } }@keyframes sk-chase-dot { 80%, 100% { transform: rotate(360deg); } }@keyframes sk-chase-dot-before { 50% { transform: scale(0.4); } 100%, 0% { transform: scale(1.0); } } |
解析：定义一个父元素 div，内含六个白色实心圆点，添加旋转动画，通过设置不同的延迟时间来达到依次出现的效果
HTML
1 | <div class="spinner"> <div class="double-bounce1"></div> <div class="double-bounce2"></div></div> |
CSS
1 | .spinner { width: 40px; height: 40px; position: relative; margin: 100px auto;}.double-bounce1, .double-bounce2 { width: 100%; height: 100%; border-radius: 50%; background-color: #333; opacity: 0.6; position: absolute; top: 0; left: 0; -webkit-animation: sk-bounce 2.0s infinite ease-in-out; animation: sk-bounce 2.0s infinite ease-in-out;}.double-bounce2 { -webkit-animation-delay: -1.0s; animation-delay: -1.0s;}@-webkit-keyframes sk-bounce { 0%, 100% { -webkit-transform: scale(0.0) } 50% { -webkit-transform: scale(1.0) }}@keyframes sk-bounce { 0%, 100% { transform: scale(0.0); -webkit-transform: scale(0.0); } 50% { transform: scale(1.0); -webkit-transform: scale(1.0); }} |
解析：两个子元素 div 实现半透明的圆形，设置绝对定位重叠在一起，然后设置相同的动画通过不同的延迟时间交替放大缩小。
HTML
1 | <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
1 | .spinner { margin: 100px auto; width: 50px; height: 40px; text-align: center; font-size: 10px;}.spinner > div { background-color: #333; height: 100%; width: 6px; display: inline-block; -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out; animation: sk-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 sk-stretchdelay { 0%, 40%, 100% { -webkit-transform: scaleY(0.4) } 20% { -webkit-transform: scaleY(1.0) }}@keyframes sk-stretchdelay { 0%, 40%, 100% { transform: scaleY(0.4); -webkit-transform: scaleY(0.4); } 20% { transform: scaleY(1.0); -webkit-transform: scaleY(1.0); }} |
解析：在类名为spinner元素下有五个 div 实现的长方形元素，设置Y轴的缩放，通过不同的延迟时间来达到依次变化的效果。
HTML
1 | <div class="spinner"> <div class="cube1"></div> <div class="cube2"></div></div> |
CSS
1 | .cube1, .cube2 { background-color: #333; width: 15px; height: 15px; position: absolute; top: 0; left: 0; -webkit-animation: sk-cubemove 1.8s infinite ease-in-out; animation: sk-cubemove 1.8s infinite ease-in-out;}.cube2 { -webkit-animation-delay: -0.9s; animation-delay: -0.9s;}@-webkit-keyframes sk-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 sk-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); }} |
解析：两个子元素实现白色的方块，添加动画属性，在X轴和Y轴分别设置移动距离和缩放，通过不同的延迟时间来分离他们，rorate实现围绕中心旋转。
HTML
1 | <div class="spinner"></div> |
CSS
1 | .spinner { width: 40px; height: 40px; margin: 100px auto; background-color: #333; border-radius: 100%; -webkit-animation: sk-scaleout 1.0s infinite ease-in-out; animation: sk-scaleout 1.0s infinite ease-in-out;}@-webkit-keyframes sk-scaleout { 0% { -webkit-transform: scale(0) } 100% { -webkit-transform: scale(1.0); opacity: 0; }}@keyframes sk-scaleout { 0% { -webkit-transform: scale(0); transform: scale(0); } 100% { -webkit-transform: scale(1.0); transform: scale(1.0); opacity: 0; }} |
解析：唯一的div元素实现白色背景圆点，通过设置缩放和透明度实现呼吸灯的效果。
HTML
1 | <div class="spinner"> <div class="dot1"></div> <div class="dot2"></div></div> |
CSS
1 | .spinner { margin: 100px auto; width: 40px; height: 40px; position: relative; text-align: center; -webkit-animation: sk-rotate 2.0s infinite linear; animation: sk-rotate 2.0s infinite linear;}.dot1, .dot2 { width: 60%; height: 60%; display: inline-block; position: absolute; top: 0; background-color: #333; border-radius: 100%; -webkit-animation: sk-bounce 2.0s infinite ease-in-out; animation: sk-bounce 2.0s infinite ease-in-out;}.dot2 { top: auto; bottom: 0; -webkit-animation-delay: -1.0s; animation-delay: -1.0s;}@-webkit-keyframes sk-rotate { 100% { -webkit-transform: rotate(360deg) }}@keyframes sk-rotate { 100% { transform: rotate(360deg); -webkit-transform: rotate(360deg) }}@-webkit-keyframes sk-bounce { 0%, 100% { -webkit-transform: scale(0.0) } 50% { -webkit-transform: scale(1.0) }}@keyframes sk-bounce { 0%, 100% { transform: scale(0.0); -webkit-transform: scale(0.0); } 50% { transform: scale(1.0); -webkit-transform: scale(1.0); }} |
解析：两个实心圆形围绕中心做循环的缩放旋转运动，因为不同的延迟时间来达到它们同一时间呈现相反的表现。
HTML
1 | <div class="spinner"> <div class="bounce1"></div> <div class="bounce2"></div> <div class="bounce3"></div></div> |
CSS
1 | .spinner { margin: 100px auto 0; width: 70px; text-align: center;}.spinner > div { width: 18px; height: 18px; background-color: #333; border-radius: 100%; display: inline-block; -webkit-animation: sk-bouncedelay 1.4s infinite ease-in-out both; animation: sk-bouncedelay 1.4s infinite ease-in-out 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 sk-bouncedelay { 0%, 80%, 100% { -webkit-transform: scale(0) } 40% { -webkit-transform: scale(1.0) }}@keyframes sk-bouncedelay { 0%, 80%, 100% { -webkit-transform: scale(0); transform: scale(0); } 40% { -webkit-transform: scale(1.0); transform: scale(1.0); }} |
解析：三个实色圆形横向排列，线性动画scale从0到1，通过给它们不同的延迟时间，呈现依次交替的效果。
HTML
1 | <div class="sk-circle"> <div class="sk-circle1 sk-child"></div> <div class="sk-circle2 sk-child"></div> <div class="sk-circle3 sk-child"></div> <div class="sk-circle4 sk-child"></div> <div class="sk-circle5 sk-child"></div> <div class="sk-circle6 sk-child"></div> <div class="sk-circle7 sk-child"></div> <div class="sk-circle8 sk-child"></div> <div class="sk-circle9 sk-child"></div> <div class="sk-circle10 sk-child"></div> <div class="sk-circle11 sk-child"></div> <div class="sk-circle12 sk-child"></div></div> |
CSS
1 | .sk-circle { margin: 100px auto; width: 40px; height: 40px; position: relative;}.sk-circle .sk-child { width: 100%; height: 100%; position: absolute; left: 0; top: 0;}.sk-circle .sk-child:before { content: \'\'; display: block; margin: 0 auto; width: 15%; height: 15%; background-color: #333; border-radius: 100%; -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both; animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;}.sk-circle .sk-circle2 { -webkit-transform: rotate(30deg); -ms-transform: rotate(30deg); transform: rotate(30deg); }.sk-circle .sk-circle3 { -webkit-transform: rotate(60deg); -ms-transform: rotate(60deg); transform: rotate(60deg); }.sk-circle .sk-circle4 { -webkit-transform: rotate(90deg); -ms-transform: rotate(90deg); transform: rotate(90deg); }.sk-circle .sk-circle5 { -webkit-transform: rotate(120deg); -ms-transform: rotate(120deg); transform: rotate(120deg); }.sk-circle .sk-circle6 { -webkit-transform: rotate(150deg); -ms-transform: rotate(150deg); transform: rotate(150deg); }.sk-circle .sk-circle7 { -webkit-transform: rotate(180deg); -ms-transform: rotate(180deg); transform: rotate(180deg); }.sk-circle .sk-circle8 { -webkit-transform: rotate(210deg); -ms-transform: rotate(210deg); transform: rotate(210deg); }.sk-circle .sk-circle9 { -webkit-transform: rotate(240deg); -ms-transform: rotate(240deg); transform: rotate(240deg); }.sk-circle .sk-circle10 { -webkit-transform: rotate(270deg); -ms-transform: rotate(270deg); transform: rotate(270deg); }.sk-circle .sk-circle11 { -webkit-transform: rotate(300deg); -ms-transform: rotate(300deg); transform: rotate(300deg); }.sk-circle .sk-circle12 { -webkit-transform: rotate(330deg); -ms-transform: rotate(330deg); transform: rotate(330deg); }.sk-circle .sk-circle2:before { -webkit-animation-delay: -1.1s; animation-delay: -1.1s; }.sk-circle .sk-circle3:before { -webkit-animation-delay: -1s; animation-delay: -1s; }.sk-circle .sk-circle4:before { -webkit-animation-delay: -0.9s; animation-delay: -0.9s; }.sk-circle .sk-circle5:before { -webkit-animation-delay: -0.8s; animation-delay: -0.8s; }.sk-circle .sk-circle6:before { -webkit-animation-delay: -0.7s; animation-delay: -0.7s; }.sk-circle .sk-circle7:before { -webkit-animation-delay: -0.6s; animation-delay: -0.6s; }.sk-circle .sk-circle8:before { -webkit-animation-delay: -0.5s; animation-delay: -0.5s; }.sk-circle .sk-circle9:before { -webkit-animation-delay: -0.4s; animation-delay: -0.4s; }.sk-circle .sk-circle10:before { -webkit-animation-delay: -0.3s; animation-delay: -0.3s; }.sk-circle .sk-circle11:before { -webkit-animation-delay: -0.2s; animation-delay: -0.2s; }.sk-circle .sk-circle12:before { -webkit-animation-delay: -0.1s; animation-delay: -0.1s; }@-webkit-keyframes sk-circleBounceDelay { 0%, 80%, 100% { -webkit-transform: scale(0); transform: scale(0); } 40% { -webkit-transform: scale(1); transform: scale(1); }}@keyframes sk-circleBounceDelay { 0%, 80%, 100% { -webkit-transform: scale(0); transform: scale(0); } 40% { -webkit-transform: scale(1); transform: scale(1); }} |
解析：整个加载效果由12个圆心组成，设置不同的旋转让它们呈现圆形环绕，然后设置不同的延迟时间，让它们做缩放运动。
HTML
1 | <div class="sk-cube-grid"> <div class="sk-cube sk-cube1"></div> <div class="sk-cube sk-cube2"></div> <div class="sk-cube sk-cube3"></div> <div class="sk-cube sk-cube4"></div> <div class="sk-cube sk-cube5"></div> <div class="sk-cube sk-cube6"></div> <div class="sk-cube sk-cube7"></div> <div class="sk-cube sk-cube8"></div> <div class="sk-cube sk-cube9"></div></div> |
CSS
1 | .sk-cube-grid { width: 40px; height: 40px; margin: 100px auto;}.sk-cube-grid .sk-cube { width: 33%; height: 33%; background-color: #333; float: left; -webkit-animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; animation: sk-cubeGridScaleDelay 1.3s infinite ease-in-out; }.sk-cube-grid .sk-cube1 { -webkit-animation-delay: 0.2s; animation-delay: 0.2s; }.sk-cube-grid .sk-cube2 { -webkit-animation-delay: 0.3s; animation-delay: 0.3s; }.sk-cube-grid .sk-cube3 { -webkit-animation-delay: 0.4s; animation-delay: 0.4s; }.sk-cube-grid .sk-cube4 { -webkit-animation-delay: 0.1s; animation-delay: 0.1s; }.sk-cube-grid .sk-cube5 { -webkit-animation-delay: 0.2s; animation-delay: 0.2s; }.sk-cube-grid .sk-cube6 { -webkit-animation-delay: 0.3s; animation-delay: 0.3s; }.sk-cube-grid .sk-cube7 { -webkit-animation-delay: 0s; animation-delay: 0s; }.sk-cube-grid .sk-cube8 { -webkit-animation-delay: 0.1s; animation-delay: 0.1s; }.sk-cube-grid .sk-cube9 { -webkit-animation-delay: 0.2s; animation-delay: 0.2s; }@-webkit-keyframes sk-cubeGridScaleDelay { 0%, 70%, 100% { -webkit-transform: scale3D(1, 1, 1); transform: scale3D(1, 1, 1); } 35% { -webkit-transform: scale3D(0, 0, 1); transform: scale3D(0, 0, 1); }}@keyframes sk-cubeGridScaleDelay { 0%, 70%, 100% { -webkit-transform: scale3D(1, 1, 1); transform: scale3D(1, 1, 1); } 35% { -webkit-transform: scale3D(0, 0, 1); transform: scale3D(0, 0, 1); } } |
解析：九个方块通过grid布局，形成横向纵向分别三块，设置不同的延迟时间让它们做线性 3D 缩放运动。
HTML
1 | <div class="sk-fading-circle"> <div class="sk-circle1 sk-circle"></div> <div class="sk-circle2 sk-circle"></div> <div class="sk-circle3 sk-circle"></div> <div class="sk-circle4 sk-circle"></div> <div class="sk-circle5 sk-circle"></div> <div class="sk-circle6 sk-circle"></div> <div class="sk-circle7 sk-circle"></div> <div class="sk-circle8 sk-circle"></div> <div class="sk-circle9 sk-circle"></div> <div class="sk-circle10 sk-circle"></div> <div class="sk-circle11 sk-circle"></div> <div class="sk-circle12 sk-circle"></div></div> |
CSS
1 | .sk-fading-circle { margin: 100px auto; width: 40px; height: 40px; position: relative;}.sk-fading-circle .sk-circle { width: 100%; height: 100%; position: absolute; left: 0; top: 0;}.sk-fading-circle .sk-circle:before { content: \'\'; display: block; margin: 0 auto; width: 15%; height: 15%; background-color: #333; border-radius: 100%; -webkit-animation: sk-circleFadeDelay 1.2s infinite ease-in-out both; animation: sk-circleFadeDelay 1.2s infinite ease-in-out both;}.sk-fading-circle .sk-circle2 { -webkit-transform: rotate(30deg); -ms-transform: rotate(30deg); transform: rotate(30deg);}.sk-fading-circle .sk-circle3 { -webkit-transform: rotate(60deg); -ms-transform: rotate(60deg); transform: rotate(60deg);}.sk-fading-circle .sk-circle4 { -webkit-transform: rotate(90deg); -ms-transform: rotate(90deg); transform: rotate(90deg);}.sk-fading-circle .sk-circle5 { -webkit-transform: rotate(120deg); -ms-transform: rotate(120deg); transform: rotate(120deg);}.sk-fading-circle .sk-circle6 { -webkit-transform: rotate(150deg); -ms-transform: rotate(150deg); transform: rotate(150deg);}.sk-fading-circle .sk-circle7 { -webkit-transform: rotate(180deg); -ms-transform: rotate(180deg); transform: rotate(180deg);}.sk-fading-circle .sk-circle8 { -webkit-transform: rotate(210deg); -ms-transform: rotate(210deg); transform: rotate(210deg);}.sk-fading-circle .sk-circle9 { -webkit-transform: rotate(240deg); -ms-transform: rotate(240deg); transform: rotate(240deg);}.sk-fading-circle .sk-circle10 { -webkit-transform: rotate(270deg); -ms-transform: rotate(270deg); transform: rotate(270deg);}.sk-fading-circle .sk-circle11 { -webkit-transform: rotate(300deg); -ms-transform: rotate(300deg); transform: rotate(300deg); }.sk-fading-circle .sk-circle12 { -webkit-transform: rotate(330deg); -ms-transform: rotate(330deg); transform: rotate(330deg); }.sk-fading-circle .sk-circle2:before { -webkit-animation-delay: -1.1s; animation-delay: -1.1s; }.sk-fading-circle .sk-circle3:before { -webkit-animation-delay: -1s; animation-delay: -1s; }.sk-fading-circle .sk-circle4:before { -webkit-animation-delay: -0.9s; animation-delay: -0.9s; }.sk-fading-circle .sk-circle5:before { -webkit-animation-delay: -0.8s; animation-delay: -0.8s; }.sk-fading-circle .sk-circle6:before { -webkit-animation-delay: -0.7s; animation-delay: -0.7s; }.sk-fading-circle .sk-circle7:before { -webkit-animation-delay: -0.6s; animation-delay: -0.6s; }.sk-fading-circle .sk-circle8:before { -webkit-animation-delay: -0.5s; animation-delay: -0.5s; }.sk-fading-circle .sk-circle9:before { -webkit-animation-delay: -0.4s; animation-delay: -0.4s;}.sk-fading-circle .sk-circle10:before { -webkit-animation-delay: -0.3s; animation-delay: -0.3s;}.sk-fading-circle .sk-circle11:before { -webkit-animation-delay: -0.2s; animation-delay: -0.2s;}.sk-fading-circle .sk-circle12:before { -webkit-animation-delay: -0.1s; animation-delay: -0.1s;}@-webkit-keyframes sk-circleFadeDelay { 0%, 39%, 100% { opacity: 0; } 40% { opacity: 1; }}@keyframes sk-circleFadeDelay { 0%, 39%, 100% { opacity: 0; } 40% { opacity: 1; } } |
解析：加载动画由12个实色圆点360度依次摆开，依次做旋转和透明度的改变。
HTML
1 | <div class="sk-folding-cube"> <div class="sk-cube1 sk-cube"></div> <div class="sk-cube2 sk-cube"></div> <div class="sk-cube4 sk-cube"></div> <div class="sk-cube3 sk-cube"></div></div> |
CSS
1 | .sk-folding-cube { margin: 20px auto; width: 40px; height: 40px; position: relative; -webkit-transform: rotateZ(45deg); transform: rotateZ(45deg);}.sk-folding-cube .sk-cube { float: left; width: 50%; height: 50%; position: relative; -webkit-transform: scale(1.1); -ms-transform: scale(1.1); transform: scale(1.1); }.sk-folding-cube .sk-cube:before { content: \'\'; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: #333; -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both; animation: sk-foldCubeAngle 2.4s infinite linear both; -webkit-transform-origin: 100% 100%; -ms-transform-origin: 100% 100%; transform-origin: 100% 100%;}.sk-folding-cube .sk-cube2 { -webkit-transform: scale(1.1) rotateZ(90deg); transform: scale(1.1) rotateZ(90deg);}.sk-folding-cube .sk-cube3 { -webkit-transform: scale(1.1) rotateZ(180deg); transform: scale(1.1) rotateZ(180deg);}.sk-folding-cube .sk-cube4 { -webkit-transform: scale(1.1) rotateZ(270deg); transform: scale(1.1) rotateZ(270deg);}.sk-folding-cube .sk-cube2:before { -webkit-animation-delay: 0.3s; animation-delay: 0.3s;}.sk-folding-cube .sk-cube3:before { -webkit-animation-delay: 0.6s; animation-delay: 0.6s; }.sk-folding-cube .sk-cube4:before { -webkit-animation-delay: 0.9s; animation-delay: 0.9s;}@-webkit-keyframes sk-foldCubeAngle { 0%, 10% { -webkit-transform: perspective(140px) rotateX(-180deg); transform: perspective(140px) rotateX(-180deg); opacity: 0; } 25%, 75% { -webkit-transform: perspective(140px) rotateX(0deg); transform: perspective(140px) rotateX(0deg); opacity: 1; } 90%, 100% { -webkit-transform: perspective(140px) rotateY(180deg); transform: perspective(140px) rotateY(180deg); opacity: 0; } }@keyframes sk-foldCubeAngle { 0%, 10% { -webkit-transform: perspective(140px) rotateX(-180deg); transform: perspective(140px) rotateX(-180deg); opacity: 0; } 25%, 75% { -webkit-transform: perspective(140px) rotateX(0deg); transform: perspective(140px) rotateX(0deg); opacity: 1; } 90%, 100% { -webkit-transform: perspective(140px) rotateY(180deg); transform: perspective(140px) rotateY(180deg); opacity: 0; }} |
解析：四个等边方块形成一个正方形，整个旋转45度，然后每个方块通过不同的延迟时间，沿X轴做翻转动画。设置perspective是为了有3D的效果。
结论：以上的这些案例原理都是通过不同的延迟时间，给元素或子元素设置包括X、Y和Z轴上的移动旋转，以及缩放来达到动画的效果。有了这些参考，加上创意还能做出更多的类型加载效果。
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