a, a:visited {
    text-decoration: none;
    font-family: "Carmen SemiBold", sans-serif;
    font-size: 1vw;
}

.border-expand:after, .border-expand:before {
    content: "";
    display: block;
    height: 2px;
    width: 0;
    background-color: #fbaf42;
    position: absolute;
    bottom: -0.4em;
    transition: width 0.3s;
    -webkit-transition: width 0.3s;
}

.active .border-expand:after, .active .border-expand:before {
    width: 50%;
}

.border-expand:after {
    box-sizing: border-box;
    left: 50%;
}

.border-expand:before {
    box-sizing: border-box;
    right: 50%;
}

.border-expand:hover:before, .border-expand:hover:after {
    width: 50%;
}