search icon on mobile

I was using this code to have the search icon on mobile but since upgrading to latest version of enfold I lost my search icon on mobile:

@media only screen and (max-width: 767px) {
.responsive #header .main_menu ul, .responsive #header .main_menu ul {
display: block !important;
position: absolute;
background: none;
top: -20px;
right: 0;
}

.responsive #header .main_menu ul li {
display: none;
}

.responsive #header .main_menu ul li:last-child {
display: block !important;
}
}

I’m using a standard header…I’m assuming some of the css has changed…any help would be amazing.

Thanks for the great support!