Hello,
Please add this code in custom.css file
1)
@media only screen and (max-width: 480px){
.main-products-loop .product {
width: 50% !important;
}}
2)
.copyright{
display:none;
}
3)
@media only screen and (max-width: 1200px){
.menu>li>a {
font-size: 14px;
}}
Here is a video tutorial how to create custom.css: https://www.youtube.com/watch?v=Qok2zRedRMY&feature=youtu.be.
Regards,
Robert Hall.