html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  background: black;
  font-family: 'Roboto', sans-serif;
}

#wrap {
  display: flex;
  width: 100%;
  height: 100%;
  justify-content: center;
  align-items: center;
  display: flex;
}
#wrap > div {
  position: fixed;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: .5s;
  filter: blur(20px);
  transform: scale(.5);
}

#wrap > div.active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
  filter: blur(0);
  transform: scale(1);
}

#wrap > #gameplay {
  opacity: 1;
  z-index: 0;
  transform: scale(1);
  filter: blur(0);
}

#wrap > div.active ~ #gameplay {
  opacity: .75;
  filter: blur(10px);
  transform: scale(.95);
}

button {
  background-color: white;
  border: 0;
  border-radius: 200px;
  padding: 16px 24px;
  text-transform: uppercase;
  font-weight: bold;
  letter-spacing: 1.25px;
  font-size: 16px;
  margin: 16px;
  min-width: 160px;
  outline: none;
  transition: .25s;
  opacity: .75;
  cursor: pointer;
}

button:hover {
  opacity: 1;
}

h1 {
  color: white;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 48px;
  margin-top: 0;
}