body {
  margin-top : 2%;
  margin-left : 2%;
  margin-right : 2%;
  margin-bottom : 2%;
  font-family: Cambria, Georgia, serif;
}
h1, h3 {
  text-align: center;
  margin-top:    0px;
  margin-bottom: 0px;
}
h4 {
  font-size: 20px;
	margin-left: 2%;
  margin-top:    0px;
  margin-bottom: 0px;
}
ul {
  font-weight: normal;
  font-size: 16px;
}
ol {
  font-weight: normal;
  font-size: 16px;
}
table, tr, th, td {
  padding: 1%;
  margin-left: 2%;
  border-collapse: collapse;
  border: 1px solid black;
  margin-top: 2%;
  margin-bottom: 2%;
  text-align: center;
}
.botao {
	font: bold 15px Cambria;
	text-decoration: none;
	background-color: #708090;
	color: #FFF;
	padding: 4px 12px 4px 12px;
}
.botao:hover {
	background-color: #92A2B2;
}
#img_ex {
  display: block;
  margin-left: auto;
  margin-right: 8%;
  width: 20%;
  min-width: 500;
  float: right;
}