body {
 width: 80%;
 max-width: 750px;
 margin-left: auto;
 margin-right: auto;
 font-family: sans-serif;
 background-color: LemonChiffon;
}

div.placard {
 background-color: LightGray;
 padding-top: 3%;
 padding-bottom: 3%;
}

a:link {
 background-color: DarkBlue;
 color: White;
 padding: 14px 25px;	
 text-decoration: none;
 display: inline-block;
<!-- width: 300px; -->
}

a:visited {
 background-color: DarkBlue;
 color: Pink;
 padding: 14px 25px;	
 text-decoration: none;
 display: inline-block;
<!-- width: 300px; -->
}

.prose {
 color: Gray;
 text-align: justify;
}