main {padding: 10px;
background-color: lightgray;
width: 40%;
height: 75%;
text-align: center;
position: fixed;
left: 35%;
border-style: solid;}
body {background-color: darkgrey;
}
aside {padding: 10px;
border-style: solid;
background-color: lightgray;
width: 10%;
height: 75%;
text-align: center;
position: fixed;
left: 24%;
font-family: helvetica;}
.maindesc {font-family: helvetica;
}