使用CSS3来代替JS实现交互

<style>
body{background:#f4f4f4;margin:0;}
/*list*/
.list__con{}
.list__con .box{background:#fff;position:relative;border-bottom:solid 1px #858585;overflow:hidden;}
.list__con .box:hover{background:#f4f4f4;-webkit-transition:all .6s;transition:all .6s;}
.list__con .box:hover .delete{-webkit-transition:all .6s;transition:all .6s;opacity:1;}
.list__con .input{-webkit-appearance:none;appearance:none;position:absolute;top:10px;left:12px;padding:0;border:none;margin:0;width:24px;height:24px;border:solid 2px red;border-radius:50%;box-sizing:border-box;outline:none;cursor:pointer;}
.list__con .input:checked::after{content:'';width:14px;height:14px;background:red;position:absolute;top:3px;left:3px;border-radius:50%;}
.list__con label{line-height:24px;padding:10px 0 10px 48px;display:block;-webkit-transition:all .4s;transition:all .4s;}
.list__con .input:checked+label{color:#d9d9d9;text-decoration:line-through;}
.list__con .delete{width:44px;height:44px;float:right;position:relative;cursor:pointer;opacity:0;}
.list__con .delete:hover::after{-webkit-transform:rotate(225deg);transform:rotate(225deg);}
.list__con .delete:hover::before{-webkit-transform:rotate(225deg);transform:rotate(225deg);}
.list__con .delete::after{content:'';position:absolute;width:2px;height:20px;background:red;top:12px;left:50%;margin-left:-1px;-webkit-transform:rotate(45deg);transform:rotate(45deg);border-radius:4px;-webkit-transition:all .6s;transition:all .6s;}
.list__con .delete::before{content:'';position:absolute;width:20px;height:2px;background:red;top:50%;left:12px;margin-top:-1px;-webkit-transform:rotate(45deg);transform:rotate(45deg);border-radius:4px;-webkit-transition:all .6s;transition:all .6s;}
</style>
<div class="list__con">
    <div class="box">
        <div class="delete"></div>
        <input class="input" type="checkbox" />
        <label>啥地方垃圾费</label>
    </div>
</div>

.list__con .input:checked+label