*{
    padding: 0px;
    margin: 0px;
    box-sizing: border-box;
}
body{
    background-color: rgb(99, 42, 164);
}
header > h1 {
    background-color: brown;
    text-align: center;
    border: 2px solid brown;
    border-style: solid;
    width: 5px;
}
nav > ul{
    max-width: 600px;
    margin: 10px auto;
    display: flex;
    list-style-type: none;
    justify-content: center;
    gap: 50px;
}
nav > ul > li > a{
    color:black;
    padding: 10px 20px;
    display: block;
    border-radius: 15px;
    border: black solid 3px;
    box-shadow: balck 10px 6px;
}
nav > ul > li > a:link{
    background-color: yellow;

}
nav > ul > li > a:visited {
    background-color: red;
}
nav > ul > li > a:hover {
    background-color: green;
}
nav > ul > li > a:active{
    color: white;
    background-color: grey;
    box-shadow: black 1px 1px;
}
main > ul{
    list-style-type: none;
    list-style-type: circle;
}
ol{
    list-style-type: upper-roman;
    list-style-type: lower-alpha;
}
main{
    height: 500px;
    background-color:aquamarine;
}
main > ul{
    list-style-type: none;
    height: 450px;
    background-color:blueviolet;

    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    align-content: center;
    gap:20px 40px;
}
main > ul > li{
    background-color: orange;
    font-size: larger;
    font-weight: 900px;
    height: 100px;
    width: 100px;
}