html代碼

<div class="star"></div><div class="star pink"></div><div class="star blue"></div>

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css代碼

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.star {display: block;width: 5px;height: 5px;border-radius: 50%;background: #FFF;top: 100px;left: 500px;position: relative;transform-origin: 100% 0;animation: star-ani 4s linear infinite;-webkit-animation:star-ani 5s linear infinite;box-shadow: 0 0 5px 5px rgba(255, 255, 255, .3);opacity: 0;z-index: 2; } .star:after {content: '';display: block;top: 0px;left: 4px;border: 0px solid #fff;border-width: 0px 90px 2px 90px;border-color: transparent transparent transparent rgba(255, 255, 255, .3);transform: rotate(-45deg) translate3d(1px, 3px, 0);box-shadow: 0 0 1px 0 rgba(255, 255, 255, .1);transform-origin: 0% 100%; } .pink {top: 100px;left: 800px;background: #fff;animation-delay: 3s;-webkit-animation-delay: 3s;-moz-animation-delay: 3s; } .pink:after {border-color: transparent transparent transparent #fff;animation-delay: 3s;-webkit-animation-delay: 3s;-moz-animation-delay: 3s; } .blue {top: 120px;left: 1200px;background: fff;animation-delay: 7s;-webkit-animation-delay: 7s;-moz-animation-delay: 7s; } .blue:after {border-color: transparent transparent transparent fff;-webkit-animation-delay: 7s;-moz-animation-delay: 7s;animation-delay: 7s; }@keyframes star-ani {0% {opacity: 0;transform: scale(0) translate3d(0, 0, 0);}20%{opacity: 0.8;transform: scale(0.2) translate3d(-100px, 100px, 0);}40% {opacity: 0.8;transform: scale(0.4) translate3d(-200px, 200px, 0);}60% {opacity: 0.8;transform: scale(0.6) translate3d(-300px, 300px, 0);}80% {opacity: 1;transform: scale(1) translate3d(-350px, 350px, 0);}100% {opacity: 1;transform: scale(1.2) translate3d(-400px, 380px, 0);} }

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效果圖

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轉載于:https://www.cnblogs.com/Mrrabbit/p/7943803.html

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