input[type='checkbox']{
width: 20px;
height: 20px;
background-color: #fff;
-webkit-appearance: none;
border: 1px solid #c9c9c9;
border-radius: 2px;
outline: none;
margin-right: 5px;
}
input[type=checkbox]:checked{
background: url("/static/check.png")no-repeat center;
}