html, body { width: 100%; height: 100%; background: #ECF3F3 }

form
{
  display: block;
  margin: 100px auto;
  width: 950px;
  overflow: hidden;
  background: #FFF;
  border: 1px solid #E4E4E4;
  border-radius: 5px;
  font-size: 0;
}

form > div
{
  display: inline-block;
  width: 100%;
}

form > div > label
{
  display: block;
  padding: 20px 20px 10px;
  vertical-align: top;
  font-family: Source Sans Pro, Arial, sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  color: #939393;
  cursor: pointer;
}

form > div.col-2, form > div.col-3, form > div.col-4 { box-shadow: 1px 1px #E4E4E4 }

form > div.col-2 { width: 50% }
form > div.col-3 { width: 33.3333333333% }
form > div.col-4 { width: 25% }

form > div > label > input
{
  display: inline-block;
  position: relative;
  width: 100%;
  height: 27px;
  line-height: 27px;
  margin: 5px -5px 0;
  padding: 7px 5px 3px;
  border: none;
  outline: none;
  border-radius: 3px;
  background: transparent;
  font-size: 14px;
  font-weight: 200;
  opacity: .66;
  transition: opacity .3s, box-shadow .3s;
}

form > div > label > select
{
  display: block;
  width: 100%;
  margin: 16px 0 6px;
  padding: 0;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14px;
  font-weight: 200;
  opacity: .33;
}

form > div > label > input:focus, form > div > label > select:focus
{
  opacity: 1;
  box-shadow: 0 3px 4px rgba(0, 0, 0, .15);
}