list style image size code example

Example 1: css list style url siz

li{
   list-style: none;
}
li:before{
   content: '';
   display: inline-block;
   height: y;
   width: x;
   background-image: url();
}

Example 2: list-style-image size

li{
   list-style: none;
}
li:before{
   content: '';
   display: inline-block;
   height: 20px;
   width: 25px;
   background-image: url();
   margin-right:5px;
}