html {
  height:100%;
}

body {
  margin-left:0;
  margin-right:0;
  margin-top:0;
  display:flex;
  flex-direction:column;
  height:100%;
}
header {
  margin-left:3px;
  margin-right:3px;
  flex: 1 0 0;
}

svg {
  width:100%;
  height:auto;
  display:block;
}

img {
  display: block;
  /*width:100%;
  overflow:hidden;*/
}

.rotate {
  rotate: 180deg;
}
section {
  margin-left:3px;
  margin-right:3px;
  flex: 1 0 0;
  text-align: center;
}
footer {
  flex:0 1 0;
  text-align: center;
}
.bienediv {
  background:#d98800;
  margin: -1;
}
h4 {
  margin-top: 0;
  margin-bottom: 3px;
}