form {
  /* Just to center the form on the page */
  margin: 0 auto;
  width: 400px;
  /* To see the limits of the form */
  padding: 1em;
  border: 1px solid #ccc;
  border-radius: 1em;
}
div + div {
  margin-top: 1em;
}
label {
  /* To make sure that all label have the same size and are properly align */
  display: inline-block;
  width: 90px;
  text-align: right;
}
input,
textarea {
  /* To make sure that all text field have the same font settings
     By default, textarea are set with a monospace font */
  font: 1em sans-serif;
  /* To give the same size to all text field */
  width: 300px;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  /* To harmonize the look & feel of text field border */
  border: 1px solid #999;
}
input:focus,
textarea:focus {
  /* To give a little highlight on active elements */
  border-color: #000;
}
textarea {
  /* To properly align multiline text field with their label */
  vertical-align: top;
  /* To give enough room to type some text */
  height: 5em;
  /* To allow users to resize any textarea vertically
     It works only on Chrome, Firefox and Safari */
  resize: vertical;
}
.button {
  /* To position the buttons to the same position of the text fields */
  padding-left: 90px; /* same size as the label elements */
}
button {
  /* This extra margin represent the same space as the space between
     the labels and their text fields */
  margin-left: 0.5em;
}