html,
body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;

}

*,
*::before,
*::after {
  box-sizing: border-box;
}

button {
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0.6em 1.2em;
  font-size: 2em;
  font-weight: 500;
  font-family: inherit;
  background-color: #1a1a1a;
  cursor: pointer;
  transition: border-color 0.25s;
  color: aliceblue;
}

button:hover {
  border-color: #646cff;
}

button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}