.w3cbutton4 {
  margin: 1em ;
  width: 6em;
   font-family: verdana,helvetica,sans-serif;
  font-size: 75%;
  font-weight: bold;
text-align:center
}

a {
text-decoration: none;
}
.w3cbutton4 a {
  display: block;
  width: 100%;
  margin-bottom:1em
}
.w3cbutton4 a:link,
.w3cbutton4 a:visited,
.w3cbutton4 a:hover {
  background-color: #00cccc;
  color: #000;
  text-decoration: none;
}
.w3cbutton4 a:link,
.w3cbutton4 a:visited {
  border-top: 1px solid #cecece;
  border-bottom: 2px solid #4a4a4a;
  border-left: 1px solid #cecece;
  border-right: 2px solid #4a4a4a;
}
.w3cbutton4 a:hover {
  border-bottom: 1px solid #cecece;
  border-top: 2px solid #4a4a4a;
  border-right: 1px solid #cecece;
  border-left: 2px solid #4a4a4a;
}
.w3cbutton4 span.w3c {
  padding: 0 0.0em;
   background-color: #00cccc;
  color: #0c479d;
}