/* file input custom style */
.btn-img {
    position: relative;
    overflow: hidden;
}
.btn-img input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    cursor: inherit;
    display: block;
}

.btn-file {
    position: relative;
    overflow: hidden;
}
.btn-file input[type=file] {
    position: absolute;
    top: 0;
    right: 0;
    min-width: 100%;
    min-height: 100%;
    font-size: 100px;
    text-align: right;
    filter: alpha(opacity=0);
    opacity: 0;
    outline: none;
    cursor: inherit;
    display: block;
}

/* form field elements formatting */
.field-error {
    font-size: 14px;
    color: red;
    float: left;
    text-align: left;
}
.field-label {
    font-weight: normal;
    float: left;
    text-align: left;
}
.field-helptext {
    font-size: 12px;
    float: left;
    text-align: left;
}
.field-required {
    font-weight: normal;
}
.field-required:after {
    content: " *";
    color: red;
}