*{
    margin: 0;
    padding:0;
}
body{
    text-align:center;
    border: 5px;
}
div{
    width: 750px;
    height: 500px;
    margin:0 auto;
    text-align: center;
    border: 5px solid #000;
    overflow: hidden;
}
a:active,a:visited,a:link{
    text-decoration: none;
    color:black
}
a:hover{
    text-decoration: none;
    color:rgb(65, 94, 173)
}
ul{
    text-align: center;
    padding: 0;
    display: flex;
}
li{
    display:block;
    font-size: 22px;
    border:3px inset #000000;
    flex: 1;
}