XenForo Logo too small on mobile

[GuDron]

Add your code in extra.less template? The code you have should work if it's in the extra template​

// Logo Mobile Header
.p-nav-smallLogo
{
display: none !important;
}
.p-header-logo
{
max-width: none !important;
}
.has-js .p-header
{
display: block;
}