.kd-checkbox {
    position: relative;
    border: 2px solid #eea236;
    border-radius: 2px;
    background: none;
    cursor: pointer;
    line-height: 0;
    margin: 0 .6em 0 0 !important;
    outline: 0;
    padding: 0 !important;
    vertical-align: text-top;
    height: 20px;
    width: 20px;
    -webkit-appearance: none;
    opacity: .5;
}

    .kd-checkbox:hover {
        opacity: 1;
    }

    .kd-checkbox:checked {
        background-color: #f39c12;
        opacity: 1;
    }

    .kd-checkbox:before {
        content: '';
        position: absolute;
        right: 50%;
        top: 50%;
        width: 4px;
        height: 10px;
        border: solid #FFF;
        border-width: 0 2px 2px 0;
        margin: -1px -1px 0 -1px;
        transform: rotate(45deg) translate(-50%, -50%);
        z-index: 2;
    }

    .kd-checkbox:focus {
        outline: 5px auto #eea236 !important;
    }