*{
 margin : 0;
 padding: 0;
 box-sizing: border-box;
}

body {
    margin: 100px;
    font-family: sans-serif;
    background-color:seagreen;
}

H1 {
	color:whitesmoke;
	font-size: 20pt;
}


a{
	color: forestgreen;
}

a:visited{
	color: tomato;
}

a:hover{
	background-color: ;
}

img{
	width:200px;
	border-radius:90% ;

}
img:hover{
	opacity:100%;
}




body {
  text-align: center;
}