body {
    background-color: rgb(210, 212, 196);

  }
  h1 {
    color: #000000;
    text-align: center;
    border-style: none none solid none;
  }
  
  p {
    color: red;
  }

  a:link {
    color: green;
    background-color: transparent;
    text-decoration: none;
  }
  a:visited {
    color: pink;
    background-color: transparent;
    text-decoration: none;
  }
  a:hover {
    color: red;
    background-color: transparent;
    text-decoration: underline;
  }
  a:active {
    color: yellow;
    background-color: transparent;
    text-decoration: underline;
  }

  pre{
    color:burlywood;
  }

  iframe{
    color:aqua;
    border: 10px solid aqua;
  }

  button{
    padding-left: -10;
  }

  div.sketch{
    text-align: center;
    color:aqua;
    border-style: groove;
    border: 10px, solid;
    border-color: aliceblue;
  }

  table,th,td,tr{
    margin:auto;
    text-align: center;
    border-style: solid;
  }

  tr{
    width:50%;
  }