@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;  } }