<div id="wrap">
  <div id="header"></div>
  <div id="nav"></div>
  <div id="aside"></div>
  <div id="section"></div>
  <div id="footer"></div>
</div>

* {
    padding: 0;
    margin: 0;
}
body {
    background-color: #FFF3E0;
}
#wrap{
    display: grid;
    width: 1200px;
    margin: 0 auto;
    grid-template-areas: 
        "header header"
        "nav nav"
        "aside section"
        "footer footer";
    grid-template-columns: 30% 70%;
    grid-template-rows: 100px 100px 780px 100px; 
}
#header{
    grid-area: header;
    background-color: #FFE0B2;
}
#nav{
    grid-area: nav;
    background-color: #FFCC80;
}
#aside {
    grid-area: aside;
    background-color: #FFB74D;
}
#section{
    grid-area: section;
    background-color: #FFA726;
}
#footer{
    grid-area: footer;
    background-color: #FF9800;
}
@media (max-width: 1220px){
    #wrap {
        width: 96%;
    }
}
@media (max-width: 768px){
    #wrap {
        width: 100%;
    }
}
@media (max-width: 480px){
    #wrap {
        grid-template: 
            "header"
            "nav"
            "aside"
            "section"
            "footer";
        grid-template-columns: 100%;
        grid-template-rows: 100px 100px 300px 480px 100px; 
    }
}