h1 {
  text-align: center;
}
p {
  text-align: center;
  margin: 0;
}
.element {
  width: 200px;
  height: 200px;
  margin: 15px auto;
}
.one {
  background: #0EFF4E;
}
.two {
  background: #FF1418;
}
.three {
  background: #303FE3;
}
.four {
  background: #F4067C;
}
.five {
  background: #02F5EA;
}
.six {
  background: #000000;
}
.seven {
  background: #F1DA06;
}
.eight {
  background: #9D00D0;
}
.nine {
  background: #636363;
}
.ten {
  background: #EF5900;
}