Hello,
Please try to add this code in Global Custom css:
@media only screen and (max-width: 768px) {
.header-wrapper header .container-wrapper {
border-bottom: 1px solid #e6e6e6;
}
.home .header-wrapper header .container-wrapper{
border:none;
}
.page-heading, .et-header-overlap .page-heading, .et-header-overlap .page-heading.bc-size-small, .page-heading.bc-size-small {
padding-top: 135px;
}
}
Regards