<style type=text/css> .upload-icon {
background: url('images/image_add.png') no-repeat 0 0 !important;
}
.x-form-file-wrap {
position: relative;
height: 22px;
}
.x-form-file-wrap .x-form-file {
position: absolute;
right: 0;
-moz-opacity: 0;
filter:alpha(opacity: 0);
opacity: 0;
z-index: 2;
height: 22px;
}
.x-form-file-wrap .x-form-file-btn {
position: absolute;
right: 0;
z-index: 1;
}
.x-form-file-wrap .x-form-file-text {
position: absolute;
left: 0;
z-index: 3;
color: #777;
}
</style>