* {
    margin:0;
    padding:0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: #fff;
    -webkit-tap-highlight-color: transparent;
}

a:visited {
color: #fff;
} 

ul {
    list-style: none;
}

h1 h2 h3 {
    font-weight: 100;
}

body {
    font-family: Tahoma, Arial, sans-serif;
    font-family: 'rubikregular';
    line-height: 1.0;
    height: 100vh;
    background-color: #000;
}

#container {    

    width: 100%;
    height: 100%;
    
    display: grid;
    grid-template-columns: 1fr 320px 1fr;
    grid-template-areas: 
    ". main ."    
    
    ;   
}


#header{ 
    position: fixed;

    width: 100%;
    height: 46px;
    padding-top: 2px;
    z-index: 100;
}

  
        #hauptnav {
            position: fixed;
            display: inline-block;
            
            font-size: 40px;
            width: 100%;
            
            z-index: 100;
        }

            #hauptnav a {
               display: inline-block;
               margin-left: 5px; 
               font-size: 40px;
               height: 45px;
               width: 100%;
               padding-top: 1px;
               padding-left: 20px; 
            }


    main {
        grid-area: main;
        margin-top: 70px;
        line-height: 20px;
        color: #fff;
    }


    main h1 {
        font-size: 20px;
    }

    main h2 {
        margin-top: 90px;
        padding-bottom: 20px;
        margin-bottom: 30px;  
        font-size: 20px;
    }

    main h3 {
        margin-top: 20px;
        margin-bottom: 20px;
        font-size: 20px;
    }

    main p {
        margin-top: 10px;
        margin-bottom: 10px;
    }

    main li {
        margin-top: 10px;
        margin-bottom: 10px;
    }

    main a {
        display: block;
        margin-top: 10px;
        margin-bottom: 10px;
    }


    @media screen and (min-width: 500px) {

        #container {    

            width: 100%;
            height: 100%;
            
            display: grid;
            grid-template-columns: 1fr 500px 1fr;
            grid-template-areas: 
            ". main ."    
           
            ;   
        }
        

    }