.label-color input[type=radio]:checked+label{
    box-shadow: inset 0 0 0 2px #ccc !important;
    border-color: #666666 !important;
    padding: 0px !important;
}

.label-color input[type=radio]+label{
    padding: 0px !important;
    width:36px !important;
    height:36px !important;  
}