input[type='checkbox']{
width: 20px;
height: 20px;
background-color: transparent ;
-webkit-appearance:none;
border: 1px solid #c9c9c9;
border-radius: 2px;
outline: none;
vertical-align: middle;
}
input[type=checkbox]:checked{
background: url("./img/1610952617\(1\).jpg") no-repeat ;
background-position: -3px -3px;
color: red;
}
<input type="checkbox" id="zs">
<label for="zs">全选</label>