body, html {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    color: #1C4073;
}

a {
    position: relative;
    display: inline-block;
    transition: .3s;
    text-decoration: none;
    color: #1C4073;
}
a::after,
a::before {
    position: absolute;
    left: 0;
    content: '';
    width: 100%;
    height: 1px;
    background-color: #1c1c1c;
    opacity: 0;
    transition: .3s;
}
a:hover::before {
    top: 0;
    opacity: 1;
}
a:hover::after {
    bottom: 0;
    opacity: 1;
}
a:hover {
    color: #1c1c1c;
}