.header-logo .is_img img {
    max-height: 8rem;
}

.navbar-header {
    float: none !important; 
}

.navbar-brand{
   max-height: 172px !important;
   height:172px !important;
   width:100% !important;
   display: block !important;
   margin-left: auto !important;
   margin-right: auto !important;
   float: revert;
}

img{
    display: block;
    max-width: 100%;
    height: auto;
}