.naCheckBox {
    display: inline-block;
}

    .naCheckBox > div {
        display: inline-block;
        width: 17px;
        height: 17px;
        background-color: [neutral-2-background-color];
        cursor: pointer;
        border-radius: 3px;
        vertical-align: middle;
        border: 1px solid #444;
        -moz-transition: background-color 0.3s cubic-bezier(0, 0, 0.37, 0.76);
        -o-transition: background-color 0.3s cubic-bezier(0, 0, 0.37, 0.76);
        -webkit-transition: background-color 0.3s cubic-bezier(0, 0, 0.37, 0.76);
        transition: background-color 0.3s cubic-bezier(0, 0, 0.37, 0.76);
    }

        .naCheckBox > div.wsChecked {
            background-image: url("");
            background-position: center center;
            background-repeat: no-repeat;
            background-size: 80% auto;
            background-color: [main-1-background-color];
        }

    .naCheckBox > label {
        vertical-align: middle;
        cursor: pointer;
        margin-left: 10px;
    }