:root {
  color-scheme: light;
  background: #fff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: #fff;
}

body {
  min-height: 100vh;
  min-height: 100svh;
}

main {
  display: grid;
  min-height: 100vh;
  min-height: 100svh;
  place-items: center;
  padding: clamp(1.5rem, 6vw, 5rem);
}

h1 {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.signature {
  display: block;
  width: min(88vw, 65rem);
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}