header {
    width: 100%;

    background: rgba(0, 0, 0, 0.6);
    padding: 25px;

    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
}

header .logo {
    margin-left: 5%;
    margin-right: 5%;
    cursor: pointer;
}

header nav {
    margin-right: 5%;
    margin-left: 5%;
    display: flex;
    flex-direction: row;
    align-items: center;
}

header nav a {
    margin-right: 1.3em;
    font-size: 1.3em;
}

header a {
    color: #fff;
    transition: all 0.3s ease-in-out;
}

header a:hover {
    color: #00e0ff;
    /* border-bottom: 1px solid #00e0ff; */
}