header h1 {
    font-size: 50px;
    color: #212529;
}
header {
    background-color: white;
    padding-top: 150px;
}
header h1 {
    font-size: 50px;
    color: #212529;
}
header p {
    font-size: 25px;
    color: #212529;
}


/* Change Background Color */
.change-color {
  width: 30px;
  height: 30px;
  border: 1px solid #eee;
  border-radius: 100%;
  display: inline-block;
  margin-top: 15px;
  margin-right: 5px;
  cursor: pointer;
}
.change-color-light {
  background-color: #eee;
}
.change-color-dark {
  background-color: #16161a;
}
.change-color-blue {
  background-color: #0000ff;
}