.header{width: 120em;
margin: 0em;
height: 25em;
}
header{
 display: flex;
 flex-wrap: wrap;
 justify-content: space-around;
 margin:2em;
}
body{background-color:bule
}
main{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.menu{margin:0em;border-right:solid;

}