HTML代码
rush:xhtml;">
css代码
rush:css;">
.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,#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
rush:js;">
$(function() {
$(".heart").on("click",function() {
$(this).toggleClass("is-active");
});
});
