.customize-control-o2-radio-images label {
display: inline-block;
position: relative;
}

.customize-control-o2-radio-images input {
display: none;
}

.customize-control-o2-radio-images input img {
max-width: 250px !important;
border: 1px solid transparent;
}

.customize-control-o2-radio-images input:checked + label img {
border: 1px solid #3498db;
box-shadow: 0 0 5px 2px rgba(0, 0, 0, 0.25);
}

.customize-control-o2-radio-images input + label .image-clickable {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 100%;
height: 100%;
}