input.wcm-checkbox[type='checkbox'] {
    left: -9999em;
    position: absolute;
}

input.wcm-checkbox[type='checkbox'] + label {
    cursor: pointer;
    padding-left: 26px;
    background: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIiB3aWR0aD0iMTYiIGhlaWdodD0iMTYiIHZpZXdCb3g9IjAgMCAxNiAxNiI+PGRlZnM+PHJlY3QgaWQ9ImEiIHdpZHRoPSIxNiIgaGVpZ2h0PSIxNS44NzciIHJ4PSIyIi8+PC9kZWZzPjxnIGZpbGw9Im5vbmUiIGZpbGwtcnVsZT0iZXZlbm9kZCI+PHVzZSBmaWxsPSIjRkZGIiB4bGluazpocmVmPSIjYSIvPjxyZWN0IHdpZHRoPSIxNSIgaGVpZ2h0PSIxNC44NzciIHg9Ii41IiB5PSIuNSIgc3Ryb2tlPSIjQ0RDRENEIiByeD0iMiIvPjwvZz48L3N2Zz4NCg==") 2px 2px no-repeat;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.43;
    text-align: left;
    color: #333333;
    display: block;
    margin: 5px 0;
    -ms-user-select: none;
    user-select: none;
    -moz-user-select: none;
}

input.wcm-checkbox[type='checkbox']:focus + label {
    outline: dotted 1px #f80;
}

input.wcm-checkbox[type='checkbox']:checked + label {
    background: url("data:image/svg+xml;base64,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") 2px 2px  no-repeat;
}

input.wcm-checkbox[type='checkbox']:disabled + label {
    filter: gray; /* IE6-9 */
    -webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */
    filter: grayscale(1); /* Microsoft Edge and Firefox 35+ */
}