gridstyle.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  .no-underline {
    text-decoration: none;
  }

  body {
    color: #2C292C;
    font-family: "ode", sans-serif;
    font-weight: 400;
    font-style: normal;
    height: 100vh;
    display: grid; 
    grid-template-rows: 1fr 4fr 0.5fr; 
    grid-template-columns: 0.5fr 2fr 2fr;
    grid-template-areas:
        "header header header"
        "nav main main"
        "nav footer footer";
    grid-column-gap: 10px;
    grid-row-gap: 10px;
}

header {
  padding: 20px 20px;
    background-color: #FFF3DB;
    grid-area: header;
  }
  
  nav {
    padding: 20px 20px;
    background-color: #FFF3DB;
    grid-area: nav;
  }
  
  main {
    grid-area: main;
    display: grid;
    grid-template-columns: 3fr 1fr;
    grid-template-areas:
        "sec1 aside"
  }

  #sec1 {
    padding: 20px 20px;
    background-color: #FFF3DB;
    grid-area: sec1;

  }
  aside {
    padding: 20px 20px;
    background-color: #FFF3DB;
    grid-area: aside;
  }
  
  footer {
    padding: 4px 4px;
    background-color: #FFF3DB;
    grid-area: footer;
    text-align: center;
  }
  
.rrss li {
  display: inline-block;
  margin-right: 10px;
}

.rrss li img {
  width: 44px;
  height: 44px;
}

.responsive-image {
  width: 500px;
  height: auto;
}

  @media (max-width: 768px) {
    body {
      grid-template-columns: 1fr;
      grid-template-rows: 0.5fr 0.5fr 2fr 0.5fr;
      grid-template-areas:
        "header"
        "nav"
        "main"
        "footer";
    }
  
    main {
      grid-template-columns: 1fr;
      grid-template-areas:
        "sec1"
        "aside";
    }

    .responsive-image {
    width: 100%;
    height: auto;
  }

  }