.accordion-section-title{
    text-transform: uppercase;
}

.cgt-radio-image-wrapper{
    float: left;
    width: 25%; 
    position: relative;  
}

.cgt-img{
    opacity: 0.5;    
}

.cgt-radio-image-wrapper input[type='radio']{
    opacity: 0;
    position: absolute;
}

.cgt-radio-image-wrapper .cgt-img{
    display: inline-block;
}

.cgt-radio-image-wrapper .cgt-img img{
    vertical-align: bottom;
}

.cgt-radio-image-wrapper input[type='radio']:checked + .cgt-img {
    opacity: 1;
    border: 5px solid #28BE9B;
    margin-top: -5px;
}