button{font-size: larger;}
li {
    display: inline;
    font-size: larger;
    text-align: center;
    
  }
  a{text-decoration: none;
    color: blueviolet;
    padding: 4px;
    }
  ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    
  }