.bth {
text-align: center;
	height:auto;
  border: 2px groove #0e406e;
  border-radius: 10px;
  background-color:CadetBlue;
  color:white;
  padding: 4px 4px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
  width:40%; box-shadow: 4px 4px lightblue;
  }