ul.has_cover_preset.cover_preset_normal li a.item span{
  background-color: #00000091;
}
.content_categories .cover_preset_normal > li > a{
  border-radius: 5px !important;
}
.cat_img img{
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
}
.cat_img img:hover{
  -webkit-filter: none;
  filter: none;
}