.bapf_radio_chck ul li input[type=checkbox] {
-webkit-appearance: none;
-moz-appearance: none;
-ms-appearance: none;
appearance: none;
display: inline-block;
vertical-align: middle;
border: 2px solid #555;
width: 15px;
height: 15px;
outline: none;
border-radius: 10px;
padding: 2px;
margin-right: 5px;
position: relative;
}
.bapf_radio_chck ul li input[type="checkbox"]:checked:after {
content: "";
width: 8px;
height: 12px;
border-bottom: 2px solid #333;
border-right: 2px solid #333;
display: block;
position: absolute;
top: -4px;
left: 3px;
transform: rotate(45deg);
}