.main-menu{
    border: 1px solid #6b6b6b;
    order: 1;
    height: calc(100vh - 170px);
    /*overflow-y:*/
    width:250px;
}

.main-menu-title{
    width: 100%;
    background: #6b6b6b;
    color: white;
    font-size: 17px;
    line-height: 26px;
    font-weight: bold;
    padding:0px 3px;
}

.main-menu-search{
    width: 100%;
    background: #6b6b6b;
    height: 32px;
}

.main-menu-search .filter-list{
    width:100%;
    margin:0px;
    color:black;
    font-size:15px!important;
    font-weight: normal;
    height: 28px;
}

.main-menu-item{
    width: 100%;
    display: block;
    border-bottom: 2px solid #B22222;
    cursor: pointer;
    color: black;
    transition: 0.2s;
    font-size: 16px;
    padding: 0px 3px;
    overflow: hidden;
    white-space: nowrap;
    line-height: 19px;
}

.main-menu-title{
   width: 100%;
    display: block;
    border-bottom: 2px solid #B22222;
    background: #ffc107;
    cursor: pointer;
    color: black;
    transition: 0.2s;
    font-size: 16px;
    padding: 0px 3px;
    overflow: hidden;
    white-space: nowrap;
    line-height: 19px; 
}

.main-menu-item.active{
    background: silver;
    color: red;
    text-decoration: none;
}

.main-menu-item:hover{
    background: silver;
    color: red;
    text-decoration: none;
}

.main-menu-item.menu-hover{
    background: silver;
    color: red;
    text-decoration: none;
}

.nav>li>a{padding: 0px 10px;}

@media only screen and (max-width: 500px) {
  .nav {
    font-size:13px;
  }
}