@media screen and (max-width:768px){
  .category-grid{
    display:block !important;
  }

  .category-grid a{
    display:block;
    margin-bottom:15px;
  }
}
.top-main-title {
  max-width: 1790px;
  margin: 0 auto 18px;
  padding: 0 16px;
  font-size: 28px;
  line-height: 1.45;
  font-weight: 700;
  text-align: center;
  color: #222;
}

@media screen and (max-width: 768px) {
  .top-main-title {
    margin-bottom: 14px;
    font-size: 20px;
    line-height: 1.5;
  }
}