#categoria_seleccionado input[name=Categoria] {
    pointer-events: none;
    position: relative;
    color: #000000;
    font-size: 15px;
}

#categoria_seleccionado input[name=Categoria]::after {
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

#categoria_seleccionado span::before {
    content: '▼';
    display: block;
    position: absolute;
    width: 35px;
    height: 35px;
    z-index: 5;
    right: 0;
    top: -2px;
}

.campo_select {
    z-index: 9999 !important;
}