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

html {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: #1f2d3d;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  margin: 0 auto;
  background-color: #00281d;
}

body::after {
  content: '@yejinc';
  display: block;
  margin-top: 50px;
  color: #f8f9fc;
  font-size: 12px;
  font-weight: 600;
}

/* Common styles */
.feature-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 420px;
  padding: 40px 32px;
  border-radius: 4px;
  background-color: #f8f9fc;
  text-align: center;
}

.feature-box h1 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.33333333;
  color: hsl(172 74% 33%);
}

.feature-box p {
  font-size: 1rem;
  color: hsl(175 60% 17%);
  margin-bottom: 32px;
}

.feature-box img {
  display: block;
  width: auto;
  height: auto;
  margin-bottom: 1rem;
}

a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80%;
  min-width: 180px;
  height: 45px;
  border-radius: 6px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  background: linear-gradient(60deg, #129281 0%, #008044 30%, #ffa17a 100%);
}

/* For feature box without image */
.feature-box.no-image {
  padding-top: 196px;
  background-image: url('https://images.squarespace-cdn.com/content/v1/5c574255b2cf79b5c180d58c/1609123860275-3T9D7687KYVG020BIL18/F001.png?format=1000w');
  background-repeat: no-repeat;
  background-position: center 40px;
  background-size: auto 140px;
}