.has-dropdown {
    display: inline-block;
    list-style: none;
    margin: 0;
    padding: 0;
    position: relative;
    transition: background-color .3s;
}

.has-dropdown:hover:before, .has-dropdown:hover:after {
    /*opacity: 1;*/
    /*transition-delay: .1s;*/
    display: block;
}

.has-dropdown:after, .has-dropdown:before {
    /*opacity: 0;*/
    /*transition: opacity .1s;*/
    display: none;
    bottom: -2px;
    z-index: 10;
    left: 50%;
    border: solid transparent;
    content: '';
    height: 0;
    width: 0;
    position: absolute;
    pointer-events: none;
}

.has-dropdown:before {
    border-color: rgba(221,221,221,0);
    border-bottom-color: #ddd;
    border-width: 11px;
    margin-left: -11px;
}

.has-dropdown:after {
    border-color: rgba(221,221,221,0);
    border-bottom-color: #fff;
    border-width: 8px;
    margin-left: -8px;
}

.has-dropdown .nav-dropdown {
    /*opacity: 0;*/
    /*transition: opacity .2s, transform .2s, -webkit-transform .2s;*/
    display: none;
    position: absolute;
    min-width: 530px;
    max-height: 0;
    z-index: 9;
    padding: 20px;
    margin: 0;
    box-shadow: 1px 1px 15px rgba(0,0,0,0.15);
    border: 2px solid #ddd;
    color: #777;
    background-color: #fff;
    text-align: left;
}

.has-dropdown:hover .nav-dropdown {
    /*opacity: 1;*/
    /*transition-delay: .1s;*/
    display: block;
    left: -15px;
    max-height: inherit;
    z-index: 9999;
}