:root {
    --main-radius: 5px;
    --main-padding: 5px;
  }
 
  body {
    font-family: "Inter", sans-serif;
  }
  
  .container {
    display: grid;
    height: 100vh;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 0.2fr 1.5fr 1.2fr 0.8fr;
    grid-template-areas:
      "nav nav nav nav"
      "sidebar main main main"
      "sidebar content1 content2 content3"
      "sidebar footer footer footer";
    gap: 0.1rem;
    font-weight: 800;
    font-size: 14px;
    color: #004d40;
    text-align: center;
  }
  
    .highlight{
      color:#EFFD5F;
      font-weight:bold;
    }
  
  nav {
    background:#800080;
    color:#ffffff;
    border-bottom:#e8491d 3px solid;
    text-align: center;
    grid-area: nav;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
    nav #branding{
      float:none;
    }
    
    nav #branding h1{
      margin:0;
        font-size: 24px;
    }
  
  main {
    background: #84ffff;
    grid-area: main;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
  
  #sidebar {
    background: #EFFD5F;
    grid-area: sidebar;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
  
  .box {
    background-color: lightblue;
    border: 1px solid blue;
    min-height: 40px;
    font-size: 1rem;
  
  #content1 {
    background: #6fffd2;
    grid-area: content1;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
  
  #content2 {
    background: #64ffda;
    grid-area: content2;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
  
  #content3 {
    background: #73ffba;
    grid-area: content3;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
  }
  
  footer {
    background:#800080;
    color:#ffffff;
    grid-area: footer;
    border-radius: var(--main-radius);
    padding-top: var(--main-padding);
    text-align: center;
  }
  
  a {
    text-align: center;
    display: block;
    font-family: inherit;
    text-decoration: none;
    font-weight: bold;
    margin: 1rem;
  }
  
  @media only screen and (max-width: 550px) {
    .container {
      grid-template-columns: 1fr;
      grid-template-rows: 0.4fr 0.4fr 2.2fr 1.2fr 1.2fr 1.2fr 1fr;
      grid-template-areas:
        "nav"
        "sidebar"
        "main"
        "content1"
        "content2"
        "content3"
        "footer";
    }
}