button {
	background: none repeat scroll 0 0 #2DB6CF;
  border: 0 none;
  border-radius: 2px 2px 2px 2px;
  color: #FFFFFF;
  cursor: pointer;
  display: inline-block;
  font-family: Arial,sans-serif;
  font-size: 12px;
  font-weight: bold;
  margin-bottom: 0;
  margin-top: 10px;
  text-transform: none;
  transition: all 0.3s ease 0s;
  -moz-transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
  text-align: center;
  width: 100%;
  height: 40px;
}

button:hover {
  background: none repeat scroll 0 0 #444444;
  color: #FFFFFF;
}

.voltar {
  border:none;
  width:100px;
  margin-top:20px;
  }