* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  --accent-color: #4361ee;
  background-color: #111;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 100vh;
  padding-top: 6vh;
  font-family: sans-serif;
}

img {
  width: 100%;
  max-width: 550px;
  margin: 0 0 1.25rem;
  display: block;
  align-self: center;
}

h1 {
  font-size: 3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
}

p {
  font-size: 1.1rem;
  color: #6c757d;
  margin-bottom: 2.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

a {
  background-color: var(--accent-color);
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.25s ease, transform 0.12s ease;
  display: inline-block;
}

a:hover,
a:focus {
  background-color: color-mix(in srgb, var(--accent-color) 75%, black 25%);
  transform: translateY(-2px);
  outline: none;
}

@media (max-width: 600px) {
  img {
    max-width: 400px;
  }

  h1 {
    font-size: 1.5rem;
  }

  p {
    font-size: 0.9rem;
  }
  body {
    padding-top: 4vh;
  }
}