:root {
  --gray-15: #1e262e;
  --gray-20: #29323d;
  --gray-35: #47576b;
  --gray-40: #52637a;
  --gray-45: #5c708a;
  --gray-50: #667c99;
  --gray-55: #758aa3;
  --gray-95: #f0f2f5;
}

html {
  color: var(--gray-95);
  background-color: var(--gray-15);
  font-family: -apple-system, BlinkMacSystemFont, avenir next, avenir, segoe ui,
    helvetica neue, helvetica, Cantarell, Ubuntu, roboto, noto, arial,
    sans-serif;
}

html,
body {
  height: 100%;
}

.container {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  margin: 0 auto;
  max-width: 800px;
  min-height: 100%;
  padding: 2.5rem 3rem;
}

.question {
  align-items: center;
  display: flex;
  flex-grow: 1;
  font-size: 2.5rem;
  font-weight: 600;
}

.buttons {
  display: flex;
  column-gap: 1rem;
  flex-shrink: 0;
  font-size: 1.1rem;
  font-weight: 600;
  margin: 2.5rem auto 0 auto;
  max-width: 500px;
  width: 100%;
}

button {
  background: var(--gray-45);
  border-radius: 0.5rem;
  cursor: pointer;
  flex-basis: 0;
  flex-grow: 2;
  padding: 1rem 1rem;
  text-align: center;
  text-transform: uppercase;
  transition: background 0.2s;
}

button:hover,
button:focus {
  background: var(--gray-50);
}

@media (max-width: 600px) {
  .container {
    padding: 2.5rem 2rem;
  }

  .question {
    flex-basis: 60%;
    font-size: 1.75rem;
  }

  .buttons {
    column-gap: 0.5rem;
    font-size: 0.9rem;
    margin-top: 2rem;
  }
}