#menu{
    width: 100%!important;
    position: absolute;
    background: #fff;
    z-index: 20;
    overflow: auto;
    height: 100%;
    padding-bottom: 3em;
    box-shadow: 0 5px 5px #c3c3c3;
    left: -100%;
    top: 60px;
}
.gutter{
   display: none;
}

.split {
    height: 100vh!important;
    width: 100%!important;
}

#main{
    width: 100%!important;
    z-index: 1;
}
/*
#about-us-btn{
    display: none;
}
*/

#book-container{
    width: 98%!important;
}

#menu-btn{
    display: block!important;
}

#search-form-nav{
    display: none!important;
}

#search-form-sidebar{
    display: flex!important;
}

#msg-search{
    display: none;
}