body{
    background-color: khaki;
    
}

nav{
    margin-top: 1%;

}

main{
    margin: 2%;
}

.row {
    display: flex;
    flex-wrap: wrap;
    padding: 0 4px;
  }
  
  /* Create four equal columns that sits next to each other */
  .column {
    flex: 25%;
    max-width: 33%;
    padding: 4px 8px;
  }
  
  .column img {
    margin-top: 8px;
    vertical-align: middle;
    width: 100%;
  }
  
  /* Responsive layout - makes a two column-layout instead of four columns */
  @media screen and (max-width: 800px) {
    .column {
      flex: 50%;
      max-width: 50%;
    }
  }
  
  /* Responsive layout - makes the two columns stack on top of each other instead of next to each other */
  @media screen and (max-width: 600px) {
    .column {
      flex: 100%;
      max-width: 100%;
      padding-bottom: 20px;
    }
  }

  .card-text>a{
      text-decoration: none;
    color: green;
  }