form_layouts.css

/* Eliminate margins and padding on everything */
.styled-form * {
  margin: 0;
  padding: 0;
}

/* Grey box and default font for fieldsets */
.styled-form fieldset {
  background-color: #ececec;
  border: 2px solid #999;
  box-sizing: border-box;
  color: #4d4d4d;
  font-family:
    myriad-pro, "Helvetica Neue", Helvetica, Roboto,
    Arial, sans-serif;
  padding: 1rem;
}

/* Custom appearance for labels */
.styled-form label {
  font-weight: bold;
  line-height: 1.5rem;
}

/* Custom appearance for input and select fields */
.styled-form input[type="text"],
.styled-form select {
  border: 1px solid #06c;
  border-radius: 4px;
  box-sizing: border-box;
  font: normal 1rem Helvetica, Arial, sans-serif;
  height: 40px;
  padding: 5px 8px;
}

/* More customization for select lists */
.styled-form select {
  -moz-appearance: none;
  -webkit-appearance: none;
  appearance: none;
  background-image:
    url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZlcnNpb249IjEuMSIgeD0iMTJweCIgeT0iMHB4IiB3aWR0aD0iMjRweCIgaGVpZ2h0PSIzcHgiIHZpZXdCb3g9IjAgMCA2IDMiIGVuYWJsZS1iYWNrZ3JvdW5kPSJuZXcgMCAwIDYgMyIgeG1sOnNwYWNlPSJwcmVzZXJ2ZSI+PHBvbHlnb24gcG9pbnRzPSI1Ljk5MiwwIDIuOTkyLDMgLTAuMDA4LDAgIi8+PC9zdmc+");
  background-position: 100% center;
  background-repeat: no-repeat;
  padding-right: 1.5rem;
}

.top-to-bottom label, 
.top-to-bottom input[type="text"] {
  display: block;
  width: 100%;
}

.side-by-side label,
.side-by-side input[type="text"] {
  display: inline-block;
}

.side-by-side label {
  margin-right: 1rem;
  vertical-align: middle;
}

.side-by-side input[type="text"] {
  width: 100%;  
}

.side-by-side dl {
  font-size: 0;
}

.side-by-side dt,
.side-by-side dd {
  box-sizing: border-box;
  display: inline-block;
  font-size: 1rem;
  vertical-align: middle;
}

.side-by-side dt {
  padding-right: 1rem;
  width: 25%;
}

.side-by-side dd {
  width: 75%;
}

.styled-form label {
  padding-top: 0.3333rem;
}

.top-to-bottom dl.partial {
  box-sizing: border-box;
  display: inline-block;
  padding-right: 1rem;
  vertical-align: top;
}

.top-to-bottom dl.address {
  width: 100%;
}

.top-to-bottom dl.city {
  width: 50%;
}

.top-to-bottom dl.state {
  width: 25%
}

.top-to-bottom dl.zipcode {
  padding-right: 0;
  width: 25%;
}

.top-to-bottom dl dd {
  width: auto;
}

.top-to-bottom fieldset,
.top-to-bottom dl,
.top-to-bottom dl dd,
.top-to-bottom dl dt {
  font-size: 0;
}

.top-to-bottom dl label,
.top-to-bottom dl input[type="text"] {
  font-size: 1rem;
}

.top-to-bottom dl select {
  width: 100%;
}