stylesheet.css

@import url('https://fonts.googleapis.com/css2?family=Marcellus&display=swap');

body {
    margin: 0;
    font-family: "Marcellus", serif;
}

.header {
    overflow: hidden;
    padding: 20px 10px;
}

.header a{
    float: left;
    color: black;
    text-align: center;
    padding: 20px;
    text-decoration: none;
    font-size: 18px;
    line-height: 25px;
    border-radius: 4px;
    transition:300ms;
}

.header a.logo {
    font-size: 25px;
    font-weight: bold;
  }

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

.header-right {
    float: right;
 }

 @media screen and (max-width: 500px) {
    .header a {
      float: none;
      display: block;
      text-align: left;
    }
    .header-right {
      float: none;
    }
}

.container {
    position: relative;
    text-align: center;
    color: white;
     }

.intro {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
  }

.DNDOnline {
    display:flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin:0 auto;
    width: 80%;
}

.DNDOnline figure {
    margin: 8px;
    text-align: center;
}

.DNDOnline figure img {
    width: 200px;
}

.DNDOnline figure figcaption {
    font-size: 0.9em;;
}

.foot3 {
    text-align: center;
}

.foot4 {
    text-align: center;
}

.links {
    display: flex;
    justify-content: space-evenly;
}

.box {
    flex-basis: 100%;
    display: flex;
    justify-content: center;
    height: 50px;
    align-items: center;
    transition: 300ms;
}

.box a{
    font-size: 0.9em;
    text-align: center;
    border-radius: 15px;
}

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