body {
    margin: 0px;
    background-color: #DDEEF4;
}

header {
    background-color: #0E4D6C;
    text-decoration: none;
    color: white;
    font-size: 20px;
    height: auto;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
}

header h1 {
    text-align: center;
    padding-right: 50%;
    font-size: 45px;
}

header img {
    max-height: 12vw;
    width: auto;
}

.Titel {
    display: flex;
    align-items: center;
}

nav a {
    color: white;
    text-decoration-line: none;
    display: inline;
}

nav {
    display: inline;
    text-align: center;
}

ul {
    color: black;
}

li {
    display: inline;
    padding: 1.8%;
}

hr {
    width: 70%;
}

footer {
    background-color: darkgray;
}