a{
    text-align:center;
}
a:visited{
    color:hotpink
}
a:hover{
    color:red;
}
.center {
    display: block;
    margin-left: auto;
    margin-right: auto;
  }
.main{
    width: 800px;
    background:pink 
}
.top{
    overflow:hidden;
}
h1{
    color:hotpink
}
body{
    background-color: lavender;
}