body {
  background-color: black;
  color: red;
  }

.headerdiv{
  height: 200px;
  width: auto;
  background-color: gray;
  }
.left{
  float: left;
  }
.center{
  margin:0 auto;
  }
  
.right{
  float: right;
  }
  
  
.article{
  margin:0 auto;
  width: 60%;
  height: 100%;
  background-color: white;
  color: black;
  }
.rainbow-text {
    background-image: linear-gradient(to left, violet, indigo, blue, green, yellow, orange, red);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
  }

img {
  height: 200px;
  width: 200px;
  }