Mobile Issues on Iphone 6 and 5

Hello,
Since updating, my sites do not render layersilder or the menu button.
musicbydesign.com
Below is all code in Quick CSS.
Please advise.

.header_color .main_menu ul{
background-color: rgba(255,255,255,.6) !important;
}
@media only screen and (max-width: 767px){
.responsive .mobile_slide_out .logo img {
width: 80%;
height: auto !important;
padding-top: 15px;
}
}
@media only screen and (max-width: 767px) {
.phone-info{
text-align: center;
float: none !important;
height:55px;
}
.phone-info span{
position: relative;
left: -8px;
top: 4px;
}
}
.avia_transform .avia_animated_image {
opacity: 1;
}
@media only screen and (max-width: 767px) {
.responsive .logo a, .responsive .logo img { max-width: 90%; height: auto !important; }}
@media only screen and (max-width: 767px) {