.customize-control-radio .image-radio-row {
    margin-left: 0;
}

.image-radio-row input[type="radio"] {
    display: none;
}

.image-radio-row label img {
    border: 2px solid #d3d3d3;
}

.image-radio-row input[type="radio"]:checked + label img {
    border-color: #0073aa;
}