.linea_1 {
    position: relative;
    bottom: -260px;
    left: 14px;
}

.linea_2 {
    position: relative;
    top: -48px;
    left: 14px;
}

#spazi{
    z-index: 9;
}

.linea_4 {
    position: absolute;
    left: 29px;
    top: -680px;
}

.linea_4_bis {
    position: absolute;
    right: 58px;
    top: -608px;
}

#materiali {
    z-index: 99;
}

.linea_5 {
    position: absolute;
    top: -217px;
    left: 29px;
}

#img_materiali {
    z-index: 99;
}

.linea_4_tris {
    position: absolute;
    right: 58px;
    top: -128px;
}

.filter_holder ul li.current span {
    color: #252525!important;
font-weight:800;
}

.gradient{
height:700px !important;
}

@media only screen 
  and (min-device-width: 320px) 
  and (max-device-width: 480px)
  and (-webkit-min-device-pixel-ratio: 2) {


h1
{
    font-size: 9vw !important;
}

.gradient{
height:800px !important;
}

}