直播平台搭建源码，css预加载旋转动画 与 流光字体

直播平台搭建源码，css预加载旋转动画 与 流光字体

一、预加载旋转动画

Html

<view class="concentric_round"></view>

​css

body {

}
.concentric_round {
width: 200rpx;
height: 200rpx;
position: relative;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -100%);
}
.concentric_round::after,
.concentric_round::before {
content: '';
display: block;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
background-color: #fff;
opacity: 0.4;
border-radius: 100%;
}
 
.concentric_round::before {
width: 50%;
height: 50%;
animation: beform_round 0.6s ease-in-out infinite alternate;
}
 
.concentric_round::after {
width: 100%;
height: 100%;
animation: after_round 0.6s ease-in-out infinite alternate;
}
/* 外圆 */
@-webkit-keyframes after_round {
0% {
transform: translate3d(-50%, -50%, 0) scale(1.3);
}
100% {
transform: translate3d(-50%, -50%, 0) scale(1);
}
}
@keyframes after_round {
0% {
transform: translate3d(-50%, -50%, 0) scale(1.3);
}
100% {
transform: translate3d(-50%, -50%, 0) scale(1);
}
}
/* 内圆 */
@-webkit-keyframes beform_round {
0% {
transform: translate3d(-50%, -50%, 0) scale(0.7);
}
100% {
transform: translate3d(-50%, -50%, 0) scale(1);
}
}
@keyframes beform_round {
0% {
transform: translate3d(-50%, -50%, 0) scale(0.7);
}
100% {
transform: translate3d(-50%, -50%, 0) scale(1);
}
}

二、流光字体动画

html

<view class="preload">F-REWARD</view>

css 

.preload {
width: 100%;
font-weight: bold;
font-family: 'Arial', 'Microsoft YaHei', '黑体', '宋体', sans-serif;
font-size: 2.5rem;
text-align: center;
background-image: -webkit-linear-gradient(left, black, transparent 25%, black 50%, transparent 75%, black);
-webkit-text-fill-color: transparent;
-webkit-background-clip: text;
-webkit-background-size: 200% 100%;
-webkit-animation: masked-animation 2s infinite linear;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -100%);
}
@-webkit-keyframes masked-animation {
0% {
background-position: 0 0;
}
100% {
background-position: -100% 0;
}
}

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