body {
  background:black;
  color:white;
  font-family:Arial;
  display:flex;
  justify-content:center;
  align-items:center;
  height:100vh;
}

.contact {
  width:300px;
}

input, textarea {
  width:100%;
  margin:10px 0;
  padding:10px;
}

button {
  width:100%;
  padding:10px;
}