.right {
  float: right;
  width: 80%;
}

.left {
  float: left;
  width: 20%;
}

.s1 {
  padding: 1em;
  margin: 5px;
/*  background: #f0f0f0; */
  border: 1px solid #999;
}

.s2 {
  padding: 1em;
  margin: 5px;
/*  background: #d0e0f0; */
  border: 1px solid #999;
}

.s3 {
  padding: 1em;
  margin: 5px;
  margin-left: 10px;
/*  background: #ffefdf; */
  border: 1px solid #999;
}

important {
  font-weight: bold;
}

body {
  font-family: sans-serif;
}