html {
  width: 100%;
  height: 100vh;
  padding: 0;
}

body {
    font-family: Calibri, Sans-serif, Arial;
    padding: 10px 0;
    background-color: #c9d6dd;
    color: #333F66;
}

h1, p[id="description"] {
  text-align: center;
}

p {
  margin: 0 0 0.5em 0;
}

form {
  width: 60%;
  min-width: 380px;
  margin: 2em auto;
}

fieldset {
  padding: 1.5em 0;
  border: none;
  border-top: 1px solid;
}

label {
  display: block;
}

input, select, textarea {
  width: 100%;
  margin: 0.5em 0;
  border: 1px solid #9fc0cf;
  border-radius: 3px;
}

input, select {
  height: 2em;
}

select {
  color: #333F66;
}

option {
  color: #333F66;
}

option:first-of-type {
  color: #9e9e9e;
}

input[type="radio"], input[type="checkbox"] {
  width: unset;
  height: unset;
}

input[type="submit"] {
  color: #ffffff;
  font-size: 1.1em;
  background-color: #333F66;
  border-color: #333F66;
}

input#number {
  max-width: 5em;
}