.captcha-box {  
    margin: 20px 0;
}

#canvas {
    position:relative;
    width: 300px;
    height: 70px;
    cursor: pointer;
    border: solid 1px #dedede;
    border-radius: 5px;
    z-index:2;
}

.reloadCaptcha {
    position: absolute;
    right: 20px;
    top: 15px;
    width: 40px;
    float: right;
    z-index: 1;
}

.reloadCaptcha2 {
    position: relative;
    top: 15px;
    width: 40px;
    float: right;
    z-index: 1;
    margin-left: -40px;
    left: -10px;
}