._CheckBox {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
    *behavior: url(http://core2.visual-php.com/core/classes/_new/CrossBrowser/box-sizing.htc); 
    
    width: 16px;
    height: 16px;
    border: 1px solid #707070;
    background-color: #FFFFFF;
    vertical-align: middle;
    
    font-size: 0px;
}

._CheckBox + .button {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box;
    *behavior: url(http://core2.visual-php.com/core/classes/_new/CrossBrowser/box-sizing.htc); 

    border: 0px;
    background: #2656A0;

    margin: 0px;
    padding: 0px;
    text-align: center;
    vertical-align: middle;
    
    font-size: 0px;
    width: 10px;
    height: 10px;
    margin-left: -14px;
    cursor: pointer;
}

._CheckBox + .checked {
    opacity: 1;
}

._CheckBox + .unchecked {
    opacity: 0;
}