body {
  font-family: sans-serif;
  width: 100%;
  height: 100vh;
}

h1 {
  background-image: url("https://static.vecteezy.com/system/resources/thumbnails/001/825/400/small/happy-friendship-day-diverse-friend-group-of-people-special-event-celebration-free-vector.jpg");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 100%;
  font-family: cursive;
}

h1, p {
  text-align: center;
}

#description {
  width: 80vw;
  margin: 0 auto;
}

form {
  width: 60vw;
  max-width: 500px;
  min-width: 300px;
  margin: 0 auto;
  padding-bottom: 2em;
}

fieldset {
  border: none;
  margin: 1.5rem 0;
  padding: 0 0;
}

label {
  display: block;
  margin: 0.5rem 0;
}

input,
textarea,
select {
  margin: 5px 0;
  width: 100%;
  min-height: 2em;
}

.inline {
  width: unset;
  display: inline;
  vertical-align: middle;
}

input[type="submit"] {
  display: block;
  width: 60%;
  margin: 1em auto;
  height: 2em;
  font-size: 1.1rem;
  min-width: 300px;
}