@media only screen and (max-width: 1000px){
 }
@media only screen and (min-width: 480px) and (max-width: 768px){ 
 section.parallax_section_holder{
 height: auto !important;
 min-height: 400px;
 }
 }
@media only screen and (max-width: 768px){ 
}
@media only screen and (max-width: 600px) { 
 }
@media only screen and (max-width: 480px){  section.parallax_section_holder {
 height: auto !important;
 min-height: 400px;
 } 
 }