css3 圆点淡出

<!DOCTYPE html>
<html><head>

<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta content="always" name="referrer"><meta name="theme-color" content="#2932e1">
<meta name="description" content="。">




<title>点淡出</title>
<style index="newi" type="text/css">
.shopee-popover, .shopee-popover__ref {
    display: inline-block;
    top:15px;
}
:not(input):not(textarea) {
    -webkit-tap-highlight-color: transparent;
}


.sidebar-menu-item-dot[data-v-5fe982fb] {
    position:relative;
    display:inline-block;
    width:16px;
    height:16px
}
.sidebar-menu-item-dot[data-v-5fe982fb]:after,.sidebar-menu-item-dot[data-v-5fe982fb]:before {
    content:"";
    display:inline-block;
    position:absolute;
    top:5px;
    left:5px;
    width:6px;
    height:6px;
    border-radius:50%;
    background-color:#ee4d2d
}
.sidebar-menu-item-dot[data-v-5fe982fb]:after {
    -webkit-animation:1s ease-in-out 0s infinite pulsateDotShadow-data-v-5fe982fb;
    animation:1s ease-in-out 0s infinite pulsateDotShadow-data-v-5fe982fb
}
.sidebar-menu-item-collapse[data-v-5fe982fb] {
    width:16px;
    height:16px;
    -webkit-transition:-webkit-transform .2s ease;
    transition:-webkit-transform .2s ease;
    transition:transform .2s ease;
    transition:transform .2s ease,-webkit-transform .2s ease
}
.sidebar-menu-collapse .sidebar-menu-item-collapse[data-v-5fe982fb] {
    -webkit-transform:rotate(-180deg);
    transform:rotate(-180deg)
}
.sidebar-menu-item:hover .sidebar-menu-item-collapse[data-v-5fe982fb] {
    color:#ee4d2d
}
@-webkit-keyframes pulsateDotShadow-data-v-5fe982fb {
    0% {
    -webkit-transform:scale(1);
    transform:scale(1);
    opacity:1
}
to {
    -webkit-transform:scale(2.6);
    transform:scale(2.6);
    opacity:.1
}
}@keyframes pulsateDotShadow-data-v-5fe982fb {
    0% {
    -webkit-transform:scale(1);
    transform:scale(1);
    opacity:1
}
to {
    -webkit-transform:scale(2.6);
    transform:scale(2.6);
    opacity:.1
}
}

</style>
<body>
sssssssssssssssss
<div class="shopee-popover__ref">
<span data-v-5fe982fb="" class="sidebar-menu-item-dot"></span> 
</div>
</body>
</html>
原文地址:https://www.cnblogs.com/Fooo/p/15559920.html