style.css

body {
  background-color: #edeff0;
  font-family: "Helvetica", Arial, sans-serif;
  padding: 40px;
  text-align: center;
  color: #333;
  font-size: 18px;
}

h1 {
  text-align: center;
  margin-top: 50px;
  font-family: serif;
  font-size: 42px;
  font-weight: bold;
}

a, input[type="submit"] {
  display: inline-block;
  background-color: #e15258;
  color: #fff;
  text-transform: uppercase;
  font-weight: bold;
  font-size: 12px;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 100px;
  transition: background-color 200ms ease-in-out;
  letter-spacing: 0.05em;
  border: none;
}
a:hover,
a:focus,
a:active,
input[type="submit"]:hover,
input[type="submit"]:focus,
input[type="submit"]:active {
  background-color: #c3222a;
}

div + a,
div a {
  background-color: #aaa;
}
div + a:hover,
div a:hover {
  background-color: #888;
}
div a { margin-right: 10px; }
div a + form { display: inline-block; }

p + div {
  margin-top: 50px;
  text-align: center;
  background-color: transparent;
  border-bottom: none;
}

div {
  text-align: left;
  width: 50%;
  margin: 0 auto;
  background-color: #fff;
  padding: 50px;
  border-radius: 5px;
  border-bottom: solid 2px #ddd;
  margin-bottom: 30px;
}

fieldset {
  border: none;
  padding: 0;
  margin-bottom: 20px;
}
fieldset input,
fieldset textarea { width: 100%; }

label {
  display: block;
  font-size: 16px;
  color: #333;
  font-weight: bold;
  margin-bottom: 3px;
}

input[type="text"],
textarea {
  padding: 10px 0;
  text-indent: 10px;
  border: solid 2px #ddd;
  border-radius: 4px;
  font-size: 16px;
}

input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: #0099ff;
}