@import url('https://fonts.googleapis.com/css2?family=Sono&display=swap');
body{
    font-family: 'Sono', monospace;
    font-size:12px;
    color:#000000;
}
header{
    color:hsl(0, 0%, 89%);
    background-color: hsl(0,0%,60%);
    height:60px;
}
header h1{
    padding-left: 10px;
    font-size: 30px;
    line-height: 60px;
}
nav{
    display:flex;
    justify-content: center;
    background-color: hsl(0,0%,70%);
    color:#fff;
    margin-bottom:10px;
}
nav li{
    display: inline;
    list-style: none;
}
nav a{
    display: inline-block;
    color:orange;
}
nav a:after{
    color:red;
}
h1{
    color:#000;
    font-size:140%;
    font-weight:bold;
    margin-bottom:20px;
}
footer{
    background-color: hsl(0,0%,25%);
    color:#fff;
    font-size:85%;
    padding: 10px 0px;
    position:absolute;
    bottom: 0;
    left:0;
    width:100%;
    text-align: center;
}
main, aside{
    float:left;
    box-sizing:border-box;
    padding-left:20px;
    padding-top:20px;
}
main{width:70%;}
aside{width:30%;}
#content{
    overflow:auto;
    position:absolute;
    top:102px;
    bottom:0px;
    margin-bottom:40px;
}
p{
    line-height:15px;
    margin-bottom:10px;
}
h2, h3{margin:30px;}
ul,ol,li{ margin:10px;}
a:link{color:rgb(128, 0, 128);}
a:visited{color:rgb(128, 0, 128);}
a:hover{color:cyan;}
aside li{list-style:disc;}
#mobile-nav-button{
    position:absolute;
    top:0px;
    right:0px;
    width:44px;
    font-weight:bold;
    line-height:44px;
    text-align:center;
    cursor:pointer;
    display:none;
}
p{text-indent:4ch;}
#contactForm label{
    display:inline-block;
    width:100px;
    margin:10px;
}
em{
    font-weight: bold;
}
@media all and (max-width:800px){
    main, aside {float:none; width:100%;}
    #mobile-nav-button{display:block;}
    #main-nav{
        display:block;
        position:absolute;
        top:60px;
        bottom:0px;
        width:0;
        transition: width .5s;
        z-index:100;
        box-sizing: border-box;
        margin:0;
    }
    #main-nav li{
        overflow:hidden;
    }
    #main-nav.show{
        width:250px;
    }
    #main-nav ul li{
        display:block;
    }
}