超酷的CSS3 loading预加载动画特效
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这是一款超酷CSS3 loading预加载动画特效。该loading特效共有4种不同的效果,分别通过不同的CSS3 keyframes帧动画来完成。
HTML结构
4种loading预加载动画的HTML结构分别如下:
<!-- 效果一 --> <div class="spinner-box"> <div class="circle-border"> <div class="circle-core"></div> </div> </div> <!-- 效果二 --> <div class="spinner-box"> <div class="configure-border-1"> <div class="configure-core"></div> </div> <div class="configure-border-2"> <div class="configure-core"></div> </div> </div> <!-- 效果三 --> <div class="spinner-box"> <div class="pulse-container"> <div class="pulse-bubble pulse-bubble-1"></div> <div class="pulse-bubble pulse-bubble-2"></div> <div class="pulse-bubble pulse-bubble-3"></div> </div> </div> <!-- 效果四 --> <div class="spinner-box"> <div class="solar-system"> <div class="earth-orbit orbit"> <div class="planet earth"></div> <div class="venus-orbit orbit"> <div class="planet venus"></div> <div class="mercury-orbit orbit"> <div class="planet mercury"></div> <div class="sun"></div> </div> </div> </div> </div> </div>
CSS样式
然后分别为它们添加下面的CSS样式。
/* KEYFRAMES */ @keyframes spin { from { transform: rotate(0); } to{ transform: rotate(359deg); } } @keyframes configure-clockwise { 0% { transform: rotate(0); } 25% { transform: rotate(90deg); } 50% { transform: rotate(180deg); } 75% { transform: rotate(270deg); } 100% { transform: rotate(359deg); } } @keyframes configure-xclockwise { 0% { transform: rotate(45deg); } 25% { transform: rotate(-45deg); } 50% { transform: rotate(-135deg); } 75% { transform: rotate(-215deg); } 100% { transform: rotate(-305deg); } } @keyframes pulse { from { opacity: 1; transform: scale(1); } to { opacity: .25; transform: scale(.75); } } /* GRID STYLING */ * { box-sizing: border-box; } body { min-height: 100vh; background-color: #37474f; display: flex; justify-content: space-between; flex-wrap: wrap; align-items: flex-start; } .spinner-box { width: 300px; height: 300px; display: flex; justify-content: center; align-items: center; background-color: transparent; } /* SPINNING CIRCLE */ .circle-border { width: 150px; height: 150px; padding: 3px; display: flex; justify-content: center; align-items: center; border-radius: 50%; background: rgb(63,249,220); background: linear-gradient(0deg, rgba(63,249,220,0.1) 33%, rgba(63,249,220,1) 100%); animation: spin .8s linear 0s infinite; } .circle-core { width: 100%; height: 100%; background-color: #37474f; border-radius: 50%; } /* X-ROTATING BOXES */ .configure-border-1 { width: 115px; height: 115px; padding: 3px; position: absolute; display: flex; justify-content: center; align-items: center; background: #ffab91; animation: configure-clockwise 3s ease-in-out 0s infinite alternate; } .configure-border-2 { width: 115px; height: 115px; padding: 3px; left: -115px; display: flex; justify-content: center; align-items: center; background: rgb(63,249,220); transform: rotate(45deg); animation: configure-xclockwise 3s ease-in-out 0s infinite alternate; } .configure-core { width: 100%; height: 100%; background-color: #37474f; } /* PULSE BUBBLES */ .pulse-container { width: 120px; display: flex; justify-content: space-between; align-items: center; } .pulse-bubble { width: 20px; height: 20px; border-radius: 50%; background-color: #3ff9dc; } .pulse-bubble-1 { animation: pulse .4s ease 0s infinite alternate; } .pulse-bubble-2 { animation: pulse .4s ease .2s infinite alternate; } .pulse-bubble-3 { animation: pulse .4s ease .4s infinite alternate; } /* SOLAR SYSTEM */ .solar-system { width: 250px; height: 250px; display: flex; justify-content: center; align-items: center; } .orbit { position: relative; display: flex; justify-content: center; align-items: center; border: 1px solid #ffffffa5; border-radius: 50%; } .earth-orbit { width: 165px; height: 165px; -webkit-animation: spin 12s linear 0s infinite; } .venus-orbit { width: 120px; height: 120px; -webkit-animation: spin 7.4s linear 0s infinite; } .mercury-orbit { width: 90px; height: 90px; -webkit-animation: spin 3s linear 0s infinite; } .planet { position: absolute; top: -5px; width: 10px; height: 10px; border-radius: 50%; background-color: #3ff9dc; } .sun { width: 35px; height: 35px; border-radius: 50%; background-color: #ffab91; }
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