*{
    padding:0px;
    Margin:0px;
    box-sizing: border-box;
}
body{
    background-color: beige;
}
header > h1{
    color:yellow;
    background-color:red;
    text-align: center;
    font-size: 50px;
    font-family: Courier, monospace;
    margin: 50px;
    border: black solid 20px;
    border-radius: 30px;
    padding: 10px 20px

}
main{
    height: 500px;
    background-color: aquamarine;
}
main > p, footer{
    background-color: aqua;
}
main > ul.uppgift1{
    display: flex;
    flex-direction: row;
}
main > ul.uppgift1 > li{
    background-color: red;
    height: 100px;
    width: 100px;
}
main > ul.uppgift2{
    display: flex;
    flex-direction: row;
    justify-content: center;
}
main > ul.uppgift2 > li{
    background-color: red;
    height: 100px;
    width: 100px;
}