body {
    font-family: Roboto, Arial, Helvetica, sans-serif;
}

a {
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
    background-color: transparent;
}

a,
a:active,
a:hover {
    color: #3591d1;
    text-decoration: none;
}

a:hover {
    border-bottom-color: #3591d1;
}