html代码
<div class="stage"> <div class="heart"></div> </div>
css代码
.heart { width: 100px; height: 100px; background: url("") no-repeat; background-position: 0 0; cursor: pointer; -webkit-transition: background-position 1s steps(28); transition: background-position 1s steps(28); -webkit-transition-duration: 0s; transition-duration: 0s; } .heart.is-active { -webkit-transition-duration: 1s; transition-duration: 1s; background-position: -2800px 0; } body { background: -webkit-linear-gradient(315deg, #121721 0%, #000000 100%) fixed; background: linear-gradient(135deg, #121721 0%, #000000 100%) fixed; color: #FFF; font: 300 16px/1.5 "Open Sans", sans-serif; } .stage { position: fixed; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%); }
js代码
$(function() { $(".heart").on("click", function() { $(this).toggleClass("is-active"); }); });
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