body {
font-family: Arial, Helvetica, sans-serif;  
font-size: 4vw;
background-color: black;
color: white;
margin-left: 5%;
margin-right: 5%;
margin-top: 10%;
text-align: center;
}



	 
	 /* unvisited link */
a:link {
  color: blue;
	text-decoration: none;
}

/* visited link */
a:visited {
  color: blueviolet
	text-decoration: none;
}

 /* Change the link color to #111 (black) on hover */
 a:hover {
    background-color: #999;
	 text-decoration: none;
      }

/* selected link */
a:active {
  color: darkcyan;
	text-decoration: underline;
  }
  

/* paragraph */
p.sub {

text-align: left;
font-size: 3vw;
}

 



button {
   border-radius: 10pc;
    background-color: green;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 8vw;
    margin: 4px 2px;
    cursor: pointer;

 }