.tabs-categories .nav-tabs {
    margin-bottom: 15px;
    border-bottom:none ; 
    display: flex;
    justify-content: center; padding: 15px ; 
}
.tab-content {  padding-left: 15px;  padding-right: 15px;}
.tabs-categories .nav-tabs li {
  padding: 8px 15px ; 
    text-align: left;     border-bottom: 2px solid #ddd;
}

.tabs-categories .nav-tabs li a {
      color: #000;
    text-decoration: none;
    transition: all 0.3s;     text-transform: uppercase;
    font-size: 13px;
}

.tabs-categories .nav-tabs li:hover ,
.tabs-categories .nav-tabs li.active {
   border-bottom: solid 2px #926c86;
}