header {
    background: white;
    height: 80px
}

header::after {
    content: '';
    display: table;
    clear: both;
}

#nav {
    height: 80px;
}

img {
    height: 70px;
    border: 0;
    padding: 5px;
}

nav.container {
    max-height: 80px;
    margin: 0;
    float: left;
}

nav a::before {
    content: '';
    display: block;
    height: 5px;
    background-color: navy;
    position: absolute;
    top: 0;
    width: 0%;
    transition: all ease-in-out 250ms;
}

nav a {
    color: navy;
    text-decoration: none;
    text-transform: uppercase;
    font-size: clamp(1.17vw, 1.44vw, 3vw);
    font-weight: 500;
}

nav ul {
    margin: 0;
    padding: 0;
    /*list-style: none;*/
}

nav li {
    display: inline-block;
    margin-left: 25px;
    padding-top: 30px;
    position: relative;
}

nav {
    float: right;
    margin: 0 5%;
}

nav a:hover {
    color: navy;
    font-weight: 600;
}

nav a:hover::before {
    width: 100%;
}