@media only screen and (max-width: 1000px){
.header_bottom {
background-color: #000000;
}
.header_bottom,
nav.mobile_menu{
background-color: #000000 !important;
}
}
@media only screen and (min-width: 480px) and (max-width: 768px){
}
@media only screen and (max-width: 768px){
}
@media only screen and (max-width: 600px) {
}
@media only screen and (max-width: 480px){
}