.equations {
      margin-left: 50%;
      width: 50%;
    }
    .answers {
      margin-left: 5%;
      width: 50%;
    }
    p {
      border: 1px solid gray;
      padding-top: 5px;
      width: 200px;
      text-align: center;
      height: 40px;
    }
    .equations h4 {
      margin-left: 20%;
    }
    .instructions {
      width: 70%;
      margin: 10px auto;
      text-align: center;
    }