.color {
    width: 30px;
    height: 30px;
    display: block;
    position: relative;
    border-radius: 100%;
    border: 1px solid #ccc;
    
}
.colorTag {
    float: left;
    margin: 0.5rem;
}
 .checked{
     border: 5px double #3490dc;
 }