body {
  background-color: #222222;
  color: white;
  font-family: Arial;
  vertical-align: middle;
  margin: 20px;
}

 /* unvisited link */
a:link {
  color: white;
}

/* visited link */
a:visited {
  color: white;
}

.center {
  text-align: center;

}

.horizontal a {
  margin: 20px;
  display: inline-block;
  text-align: center;
}

.horizontal h1, .horizontal h3 {
  text-align: center;
}
.lower-image {
  position: relative;
  bottom: -10px;
}
.horizontal {
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.item {
  margin: 20px;
}

.item a {
  top: 2px;
  display: inline-block;
  text-align: center;
}

.item h1, .item h3 {
  text-align: center;
}

.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 20px 0;
  align-items: flex-start;
}
.row2 {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: 100px 0;
  align-items: flex-start;
}
button {
  border-radius: 10px;
  color: black;
}
        .box {
          background-color: #38393f;
          border: 2px #575757;
        }