@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');

* {
  box-sizing: border-box;
}

html {
  overflow-x: hidden;
}

body {
  background-color: rgb(19, 21, 22);
  font-family: 'Roboto Mono', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}

button {
  cursor: pointer;
  background-color: #144d58;
  color: #fff;
  border: 0;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 1.25rem 2rem;
  overflow: hidden;
  position: relative;
  transition: transform 0.1s ease, background-color 0.2s ease;
}

button:focus {
  outline: 0;
}

button:active {
  transform: scale(0.98);
}

button:hover {
  background-color: #205d6b;
}

button .circle {
  position: absolute;
  background-color: #fff;
  width: 6rem;
  height: 6rem;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  animation: scale 0.5s ease-out;
}

@keyframes scale {
  to {
    transform: translate(-50%, -50%) scale(3);
    opacity: 0;
  }
}

@media (max-width: 500px) {
  html {
    font-size: 13px;
  }
}