@media only screen  and (min-width: 0px) and (max-width:767px) 
{

.owl-nav .owl-prev{
    position: absolute;
    left: 0px;
    top: calc(50% - 60px);
}
.opmenu {
    padding-left: 20px;
}
.owl-prev > span{
   color: white;
   font-size: 70px;
}
.owl-nav .owl-next{
  position: absolute;
  right: 0px;
  top: calc(50% - 60px);
}
.owl-next > span{
  font-size: 70px;
  color: white;
}
}