* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: Arial, sans-serif;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: #f5f9ff;
  color: #123;
}

.card {
  width: min(92%, 620px);
  padding: 48px 32px;
  text-align: center;
  background: #fff;
  border: 1px solid #dbe7f5;
  border-radius: 18px;
  box-shadow: 0 12px 35px rgba(20, 70, 120, .08);
}

.logo {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: #1769e0;
  color: #fff;
  font-weight: 700;
}

h1 { margin: 0 0 12px; }
p { color: #53657a; }

.button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 20px;
  border-radius: 10px;
  background: #1769e0;
  color: #fff;
  text-decoration: none;
}