header{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .custom-logo{
    width: 80px;
    height: 80px;
    margin-right: 2em;
    margin-left: 2em;
}

header .main-menu {
        display: flex;
        list-style: none;
        margin-left: 3em;
}

header .main-menu li{
    margin-right: 1em;
}

header .main-menu li a{
    text-decoration: none;
    color: black;
}