* {
  font-family: 'Gabarito', sans-serif;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body { height: 100%; }

body {
  background-color: #eee;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 20px;
}

section {
  background-color: #ddd;
  padding: 40px 50px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 300px;
  width: min(100%, 520px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  margin-bottom: 20px;
}

a {
  background-color: rgb(0, 128, 0, .8);
  color: white;
  border: none;
  border-radius: 25px;
  padding: 14px 0;
  width: 100%;
  font-size: clamp(16px, 3.5vw, 18px);
  cursor: pointer;
  text-align: center;
  text-decoration: none;
  margin: 14px 0;
}

a:hover {
  background-color: green;
}

@media (max-width: 380px){
  section { padding: 28px 24px; width: 100%; min-width: 0; }
  a { padding: 12px 0; margin: 12px 0; }
}

@media (min-width: 768px){
  section { padding: 48px 56px; width: min(100%, 560px); }
}