html,
body,
form,
fieldset,
img {
  margin: 0;
  padding: 0;
  border: none;
}
.main {
  margin: 0 auto;
  padding: 20px 0;
  width: 960px;
  background: #dde;
}
.form {
  position: relative;
  z-index: 1;
}
.form label {
  display: block;
  margin: 30px 0 10px;
}
.form select {
  width: 100px;
}
.form .expander {
  position: relative;
  min-height: 1.5em;
  clear: both;
}
.form .expander .active {
  position: absolute;
  z-index: 999;
  width: auto;
}
.form .expander .active select {
  width: auto;
}