* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background-color: #fafafa;
  color: #212121;
  -webkit-text-size-adjust: 100%;
}

.app-header {
  text-align: center;
  padding: 32px 16px 8px;
}

.app-header h1 {
  margin: 0;
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.5px;
  color: #424242;
}

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
  align-items: start;
  gap: 28px 24px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.photo {
  position: relative;
  margin: 0;
  background-color: #ffffff;
  border: 1px solid #e0e0e0;
  padding: 10px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
  border-radius: 2px;
}

.photo img {
  display: block;
  width: 100%;
  height: auto;
}

.photo-number {
  position: absolute;
  top: -12px;
  left: -10px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #424242;
  color: #ffffff;
  font-size: 16px;
  font-weight: 500;
  border-radius: 50%;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}