body {
        margin: 0;
        font-family: Verdana, Geneva, Tahoma, sans-serif, sans-serif;
        background-color: aquamarine;
    }
    .container {
        display: grid;
        grid-template-areas:
            "banner banner"
            "nav nav"
            "article picture"
            "footer footer";
        grid-gap: 10px;
        padding: 10px;
        padding-bottom: 0;
        min-height:100vh;
        grid-template-rows: 112px 45px auto 120px;
        
    }
    .banner { grid-area: banner; 
    background-color: #ff2cdf; color: white; 
    text-align: center;
     padding: 20px;
      }

    .nav {
     grid-area: nav; 
    background-color: #e8ff16;
     color: rgb(255, 255, 255); 
     }

    .article { 
    grid-area: article; 
    background-color: rgb(239, 209, 163); 
    padding: 20px; 
    }
    .footer { grid-area: footer; 
    background-color: #333; 
    color: white; 
    text-align: center; 
    padding: 10px;
    }

    ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333333;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover:not(.active) {
  background-color: #111;
}

.active {
  background-color: #333333;
}

.picture{
    grid-area: picture; 
    background-color: #000000;

}

.center-image{

    display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  border: 3px solid rgb(219, 255, 233); 
}