.underline-orange:after {
    bottom: -2px;
    content: "";
    display: block;
    height: 2px;
    position: absolute;
    background: #FB923C;
    transition: width 0.3s ease 0s, left 0.3s ease 0s;
    width: 0;
}

.underline-white:after {
    bottom: -2px;
    content: "";
    display: block;
    height: 2px;
    position: absolute;
    background: #FFF;
    transition: width 0.3s ease 0s, left 0.3s ease 0s;
    width: 0;
}

.underline-orange:hover:after,
.underline-white:hover:after {
    width: 100%;
    left: 0;
}

.dropdown-content {
    display: none;
}

.dropdown:hover > .dropdown-content {
    display: block;
}