* {
  box-sizing: border-box;
  background-color: black;
}

html {
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
}

main {
  margin: 1rem 0;
}

a,
img {
  width: 200px;
  height: 200px;
}

.container {
  width: 90%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#search {
  height: 3rem;
  width: 55%;
  padding: 10px;
  border-radius: 10px;
  border: 1.8px solid black;
  outline: 0;
  margin: 1rem;
  font-size: 0.9rem;
  transition: border 0.2s ease-in,
              border-radius 0.2s;
  background-color: DarkSeaGreen;
}

#search:focus {
  border-radius: 10px 0;
  border: 2px solid azure;
}

.photo-gallery {
  width: 95%;
  margin: 1rem auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  grid-gap: 20px;
  justify-items: center;
}