body {
    padding: 0;
    margin: 0;
    font-size: 18px;
    font-family: sans-serif;
}

header {
    padding: 0 10vmax 0;
    background-color: #a4c2fd;

    display: flex;
    justify-content: space-between;
    vertical-align: middle;
}

nav {
    display: flex;
    justify-content: left;
}

nav a {
    display: flex;
    padding: 25px;
    margin: 0px;
    text-align: center;
    align-items: center;

    font-weight: bold;
    text-decoration: none;
    color: rgb(27, 0, 68);

    transition-duration: 0.5s;
}

nav a:hover:not(:first-child) {
    background-color: #5880ba;
}

nav a.current {
    background-color: rgba(215, 222, 255, 0.5);
}

nav a:first-child {
    margin: auto 20px auto;
    padding: 0;
    width: 50px;
    height: 50px;
    border-radius: 5px;
}

nav a:first-child img {
    width: 50px;
    border-radius: 5px;
}

.contacts-header {
    line-height: 50%;
    margin-top: auto;
    margin-bottom: auto;
}

.contacts-header p {
    display: block;
    width: max-content;
}

main {
    margin: 4vmin 10vmax 4vmin;
    padding: 4vmin;
    background-color: #a4c2fd;
}

footer {
    margin-top: auto;
    padding: 2vmin;
    text-align: center;
    background-color: #5880ba;
}