html, body {
  margin: 0px;
  padding: 0px;
}
HR { 
width: 600px; 
color: yellow; 
text-align: center;
height: 3px; 
border: 1px dotted #1A81FF;

} 
H1 { 
font-size: 20px; 
color: #A61A1A; 
font-family: arial 
} 
a:hover {
color:red;
position:relative;
left:1px;
top:1px;
}