body
{
 
  margin: 5;
  padding: 0;
  background-image: url("fundo.png");
  background-repeat: repeat-x;
  color: #cef8ff;

}

.b1 {
  position: relative;
  height: 1px;
  font-size: 1px;
  background: #0000FF;
  border-right: 5px solid #0000FF;
  border-left: 5px solid #0000FF;
  margin: 0 5px;
}

.b2 {
  position: relative;
  height: 1px;
  font-size: 1px;
  background: #0000FF;
  border-right: 3px solid #0000FF;
  border-left: 3px solid #0000FF;
  margin: 0 3px;
}

.b3 {
  position: relative;
  height: 1px;
  font-size: 1px;
  background: #0000FF;
  border-right: 1px solid #0000FF;
  border-left: 1px solid #0000FF;
  margin: 0 2px;
}

.b4 {
  position: relative;
  height: 2px;
  font-size: 1px;
  background: #0000FF;
  border-right: 3px solid #0000FF;
  border-left: 3px solid #0000FF;
  margin: 0 1px;
}

.b5 {
  position: relative;
  border-left:1px solid #0000FF;
  border-right:1px solid #0000FF;
  margin-boton: 0;
}