@media (max-width:767px){
.layout {
  padding-left: 20px;
  padding-right: 20px;
  width: calc(100% - 40px);
}
.tiles .tile {width:100%}
.tiles .tile .node header img {
  width: calc(100% + 30px);
  max-width: calc(100% + 30px);
  margin-left: -15px;
  margin-right: -15px;
}

}