label.check-button {
    /*margin: 4px 4px 4px 0px;  This looks waaaay not right.... */
    cursor: pointer;
    display: inline-flex;
    align-items: center;
}

    label.check-button input {
        cursor: pointer;
        width: 20px;
        min-width: 20px;
        height: 20px;
        margin-right: 8px;
    }