* {
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
    margin: 0px;
    padding: 0px;
}

h1, h2, h3, h4, h5, h6 {
    padding-bottom: 20px;
}

a {
    color: rgb(255, 255, 255);
    text-decoration: none;
}


/* ------ Navigation ------*/

body {
    background-color: rgb(29, 29, 70);
    color: white;
    margin: 0px;
}

#navigation {
    background-color: rgb(0, 0, 10);
    text-align: center;
}

#navigation img {
    width: 120px;
    float: left;
    margin-left: 10%;
    padding: 10px;
}

#navigation ul {
    float: left;
    margin-left: 40%;
}

#navigation li {
    display: inline-block;
    margin: 25px 0px 10px 10px;
    font-size: 24px;
    padding: 1px;
}

#navigation a:hover {
    /* --background-color: rgb(255, 255, 255);
    color: red;
    border-radius: 5px;--*/
    text-decoration: underline red;
}

#navigation::after {
    content: "";
    display: block;
    clear: both;
}

/* ------ Header ------*/

header {
    background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.2)),
    url(/img/bald.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    height: 500px;
}
#header .header_top {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 500px;
}

#header .header_logo {
    width: 50%;
    text-align: center;
    padding-left: 10%;
}

#div_img {
    height: 90%;
}

#div_p {
    height: 10%;
}

#header .header_logo img {
    width: 450px;
}

#header .header_logo p {
    font-size: 26px;
}

#header .header_foto {
    width: 50%;
    text-align: center;
    padding-right: 10%;
}

#header .header_foto img {
    width: 250px;
    border-radius: 50%;
    border: 5px solid white;
    background-color: rgb(29, 29, 70);
}

#header::after {
    content: "";
    display: block;
    clear: both;
}

/* ------ Main ------*/

#main {
    text-align: center;
    padding: 40px 0px 40px 0px;
}

#main .text h1 {
    text-decoration: underline red solid;
}

#main .text p {
    margin: 10px 50px 30px 50px;
}

#nachricht {
    margin: 5px 0px 5px 0px;
}

#auswahl button {
    font-size: 18px;
}

#einloggen {
    display: none;
}

#einloggen input {
    font-size: 20px;
    border: 1px red solid;
    border-radius: 5px;
    margin-bottom: 1px;
    padding: 5px 0px 5px 15px;
}

#register {
    display: none;
}

#register input {
    font-size: 20px;
    border: 1px red solid;
    border-radius: 5px;
    margin-bottom: 1px;
    padding: 5px 0px 5px 15px;
}

#einloggen button {
    width: 100px;
    height: 40px;
    font-size: 16px;
}

#register button {
    width: 100px;
    height: 40px;
    font-size: 16px;
}

/* ------ Footer ------*/

#footer {
    background-color: rgb(0, 0, 10);
    text-align: center;
}

#footer .logo_footer img {
    height: 85px;
    margin-top: 20px;
}

#footer .menu li {
    display: inline-block;
}

#footer .menu a {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 12px;
    padding: 20px;
}

#footer .menu a:hover {
    color: white;
}

#footer .copyright p {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 12px;
    padding: 10px;
}

#toggle-button {
    display: none;
}

label[for="toggle-button"] {
    display: none;
}

label[for="toggle-button"] span {
    font-size: 30px;
}

.material-symbols-outlined {
    display: none;
}

/* ------ Responsive 480px ------*/


@media(max-width: 480px) {

    /* ------ Navigation ------*/

    body {
        background-color: rgb(29, 29, 70);
        color: white;
        margin: 0px;
    }
    
    #navigation {
        background-color: rgba(0, 0, 20, 1);
        text-align: right;
        margin-right: 0px;
        position: sticky;
        top: 0px;
    }

    .material-symbols-outlined {
        margin-right: 20px;
    }
    
    #navigation img {
        display: none;
    }
    
    label[for="toggle-button"] {
        display: block;
    }

    nav ul {
        flex-direction: column;
    }

    nav ul li {
        padding: 7px 5px;
    }

    #toggle-button:checked ~ ul {
        display: flex;
    }

    #footer .menu li {
        display: inline-block;
        width: 33%;
        padding: 5px 0px;
    }

    /* ------ Header ------*/

    header {
        background-image: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.2)),
        url(/img/bald.jpg);
        background-repeat: repeat;
        background-size: 100%;
        height: 300px;
    }

    #header .header_top {
        display: flex;
        justify-content: center;
        align-items: center;
        height: 300px;
    }
    
    #header .header_logo {
        width: 100%;
        text-align: center;
        padding-left: 0%;
    }
    
    #div_img {
        height: 90%;
    }
    
    #div_p {
        height: 10%;
    }
    
    #header .header_logo img {
        width: 250px;
    }
    
    #header .header_logo p {
        font-size: 20px;
    }
    
    #header .header_foto {
        display: none;
    }
    
    #header::after {
        content: "";
        display: block;
        clear: both;
    }

    /* ------ Main ------*/

    #einloggen button {
        width: 100px;
        height: 40px;
        font-size: 16px;
    }

    #register button {
        width: 100px;
        height: 40px;
        font-size: 16px;
    }

}