a, div, form {
  margin:12px 6px 4px 6px;
}

hr {
  margin:24px 12px 12px 12px;
}

body, button, textarea, input {
  background-color:#ccc;
  font-size:24px;
}

h1 {
  text-align:center;
}

.small {
  font-size:12px;
}

.bottom_tips {
  text-align:left;
  font-style:italic;
}