.custom_form_span {
    overflow: hidden;
    /*background-image: url(img/select.png);*/
    position: absolute;
    background-repeat: repeat-x;
    padding-left: 13px;
    border: 1px solid #dddddd;
    color: #626262;
}

.admin_container .custom_form_span {
    padding-left: 13px;
    border: 1px solid #dddddd;
    color: #626262;
}

.custom_form {
    z-index: 99;
    position:relative;
    margin-left: 0;
}

.custom_form_arrow {
    background-image: url(img/arrow.png);
    display: block;
    background-repeat: no-repeat;
    background-position: center right; 
}

.custom_form_content {
    overflow: hidden;
    white-space: nowrap;
    display: block;
}