body{
  color:gray;
  text-align:center;
  padding:30px;
  margin: 30px;
  border-radius: 27px;
  background: #e0e0e0;
  box-shadow: 8px 8px 17px #a6a6a6,
  -8px -8px 17px #ffffff;
}

input{
    margin: 100px auto 100px;
    width: 350px;
    height: 40px;
    display: block;
    text-align: center;
    border-radius: 7px;
    background: #e0e0e0;
    box-shadow: 8px 8px 17px #a6a6a6,
    -8px -8px 17px #ffffff;
    padding:10px;;
}

#output{
    margin-top: 45px;
    width: 100px;
    margin: 100px auto 100px;

}

    button {
      padding: 10px;
      background: #e0e0e0;
      border: none;
      border-radius: 27px;
      color: gray;
      font-size: 16px;
      text-align: center;
      outline: none;
      cursor: pointer;
      transition: .2s ease-in-out;
      box-shadow: 8px 8px 17px #a6a6a6,
        -8px -8px 17px #ffffff;
    }
    
    button:hover {
      box-shadow: -2px -2px 6px rgba(255, 255, 255, .6),
        -2px -2px 4px rgba(255, 255, 255, .4),
        2px 2px 2px rgba(255, 255, 255, .05),
        2px 2px 4px rgba(0, 0, 0, .1);
    }
    
    button:active {
      box-shadow: inset -2px -2px 6px rgba(255, 255, 255, .7),
        inset -2px -2px 4px rgba(255, 255, 255, .5),
        inset 2px 2px 2px rgba(255, 255, 255, .075),
        inset 2px 2px 4px rgba(0, 0, 0, .15);
    }

h1{
    
    color: gray;
    margin-top: 50px;
}