.topnav {
  overflow: hidden;
  background-color: #333;
    margin: auto;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #04AA6D;
  color: white;
}

main {
    align-content: center;
    margin: auto;
    width:90%;
}

.boxes {
    content: "";
    display: table;
    clear: both;
    align-items: center;
    margin:auto;
}

.boxes > div {
    float: left;
    height: 3rem;
    width: 2rem;
    padding: 2rem 2rem 0rem;
    margin: 1rem;
    background-color:aliceblue;
    font-size: 2rem;
    border: solid black 1px;

    
}

.boxes > div:nth-child(5n) {
    background-color: beige;
    border:none;
}

.hex > div{
    background-color: green;
    color: white;
    text-align: center;
    font-weight: 600;
}

.container {
    width: 78%;
    margin: auto;
}

h1 {
    text-transform: uppercase;
    text-align: center;
}

h3, p {
    text-transform: none;
    font-size: 1.5rem;
    text-align: left;
}