.gallery{padding:50px 0;position:relative;display:block;width:100%;background-position:center center;background-repeat:no-repeat;background-size:cover}.gallery img{max-width:100%}.gallery .button{letter-spacing:3px}@media screen and (max-width: 767px){.gallery{text-align:center}.gallery .col-sm-3{margin:0 0 50px}.gallery img{max-width:80%}}