不用图片,使用css3做出一个跳动的心。
HTML:
<span style="color: #0000ff;"> <</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="box"</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="left"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"><</span><span style="color: #800000;">div </span><span style="color: #ff0000;">class</span><span style="color: #0000ff;">="right"</span><span style="color: #0000ff;">></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>
<span style="color: #0000ff;"></</span><span style="color: #800000;">div</span><span style="color: #0000ff;">></span>首先两个div浮动,左上和右上角变圆:
<span style="color: #800000;"> .box</span>{<span style="color: #ff0000;">
margin</span>:<span style="color: #0000ff;"> 100px</span>;
}<span style="color: #800000;">
.left,.right</span>{<span style="color: #ff0000;">
float</span>:<span style="color: #0000ff;"> left</span>;
}<span style="color: #800000;">
.box div</span>{<span style="color: #ff0000;">
height</span>:<span style="color: #0000ff;">160px</span>;<span style="color: #ff0000;">
width</span>:<span style="color: #0000ff;"> 100px</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 50px 50px 0 0</span>;<span style="color: #ff0000;">
background</span>:<span style="color: #0000ff;"> red</span>;
} 变成:

然后让两个div旋转一下,左边的以右下角为旋转点正时针转45度,右边的以左下角为旋转点逆时针转45度,加点阴影:
<span style="color: #800000;">.left</span>{<span style="color: #ff0000;">
transform-origin</span>:<span style="color: #0000ff;"> 100% 100%</span>;<span style="color: #ff0000;">
transform</span>:<span style="color: #0000ff;"> rotate(45deg)</span>;<span style="color: #ff0000;">
box-shadow</span>:<span style="color: #0000ff;"> 8px 10px 10px #888888</span>;
}<span style="color: #800000;">
.right</span>{<span style="color: #ff0000;">
transform-origin</span>:<span style="color: #0000ff;"> 0% 100%</span>;<span style="color: #ff0000;">
transform</span>:<span style="color: #0000ff;"> rotate(-45deg)</span>;<span style="color: #ff0000;">
box-shadow</span>:<span style="color: #0000ff;"> -10px -1px 10px #888888</span>;
}<br /><br />心形出来了:

让心动起来,加点动画吧:
<span style="color: #800000;"> .box div</span>{<span style="color: #ff0000;">
animation</span>:<span style="color: #0000ff;"> lb 1s cubic-bezier(0.3,0.4,0.3,1) 0s infinite</span>;<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;"> 0px solid red</span>;/*这个不能少*/
}<span style="color: #800000;">
@keyframes lb</span>{<span style="color: #ff0000;">
0%{
border</span>:<span style="color: #0000ff;"> 10px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 58px 58px 0 0</span>;
}<span style="color: #800000;">
50%</span>{<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;"> 20px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 66px 66px 0 0</span>;
}<span style="color: #800000;">
100%</span>{<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;">0px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 50px 50px 0 0</span>;
}<span style="color: #800000;">
}</span>好了,一颗跳动的心就完成了。
完整CSS:
<span style="color: #800000;"> <style>
.box</span>{<span style="color: #ff0000;">
margin</span>:<span style="color: #0000ff;"> 100px</span>;
}<span style="color: #800000;">
.left,.right</span>{<span style="color: #ff0000;">
float</span>:<span style="color: #0000ff;"> left</span>;
}<span style="color: #800000;">
.box div</span>{<span style="color: #ff0000;">
height</span>:<span style="color: #0000ff;">160px</span>;<span style="color: #ff0000;">
width</span>:<span style="color: #0000ff;"> 100px</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 50px 50px 0 0</span>;<span style="color: #ff0000;">
background</span>:<span style="color: #0000ff;"> red</span>;<span style="color: #ff0000;">
animation</span>:<span style="color: #0000ff;"> lb 1s cubic-bezier(0.3,0.4,0.3,1) 0s infinite</span>;<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;"> 0px solid red</span>;
}<span style="color: #800000;">
.left</span>{<span style="color: #ff0000;">
transform-origin</span>:<span style="color: #0000ff;"> 100% 100%</span>;<span style="color: #ff0000;">
transform</span>:<span style="color: #0000ff;"> rotate(45deg)</span>;<span style="color: #ff0000;">
box-shadow</span>:<span style="color: #0000ff;"> 8px 10px 10px #888888</span>;
}<span style="color: #800000;">
@keyframes lb</span>{<span style="color: #ff0000;">
0%{
border</span>:<span style="color: #0000ff;"> 10px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 58px 58px 0 0</span>;
}<span style="color: #800000;">
50%</span>{<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;"> 20px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 66px 66px 0 0</span>;
}<span style="color: #800000;">
100%</span>{<span style="color: #ff0000;">
border</span>:<span style="color: #0000ff;">0px solid red</span>;<span style="color: #ff0000;">
border-radius</span>:<span style="color: #0000ff;"> 50px 50px 0 0</span>;
}<span style="color: #800000;">
}
.right</span>{<span style="color: #ff0000;">
transform-origin</span>:<span style="color: #0000ff;"> 0% 100%</span>;<span style="color: #ff0000;">
transform</span>:<span style="color: #0000ff;"> rotate(-45deg)</span>;<span style="color: #ff0000;">
box-shadow</span>:<span style="color: #0000ff;"> -10px -1px 10px #888888</span>;
}<span style="color: #800000;">
</style> </span>
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