If you have large logo, it may be cut in mobile view.
In order to resolve this issue, please add the code below to your Custom CSS field:
@media (max-width: 958px) {
header.main-header .first-row {
height: auto;
}
.fixed-header-box .logo-wrapper .logo {
min-width: 0 !important;
max-width: 100%;
margin-left: 80px;
display: block;
}
.fixed-header-box .logo-wrapper .logo img {
max-width: 100%;
height: auto !important;
}
}
Here is a guide how to add custom CSS: http://support.vamtam.com/solution/articles/200025-how-to-add-custom-css-code-