@media only screen and (max-width:768px){.ctm_sliders .et-pb-slider-arrows{display:none}}body{background:#eee;padding:0;margin:0}#galleria{text-align:center;width:100%}.immagine{display:inline-block;width:22%;margin:10px 1%;border:1px solid #ccc;border-radius:5px}.preview{width:100%}@media (max-width:480px){.immagine{width:98%;margin:1%}}