body * {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

#drawer {
  position: fixed;
  top: 0;
  width: 50vw;
  left: -60vw;
  padding: 20px;
  background-color: white;
  box-shadow: 0 0px 38px rgba(0, 0, 0, 0.3), 0 0px 12px rgba(0, 0, 0, 0.22);
  transition: all 0.3s;
  min-height: 100vh;
}

#drawer.open {
  left: 0vw;
}

#drawer header {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

#drawer img {
  width: 100%;
}

.close-btn {
  background: transparent;
  border: 0;
  font-weight: bold;
  font-size: 30px;
}

.gallery {
  padding: 30px;
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  align-content: flex-start;
}

.gallery img {
  width: 100%;
}

@media screen and (max-width: 900px) {
  #drawer {
    width: 70vw;
    left: -80vw;
  }

  .gallery {
    padding: 20px;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media screen and (max-width: 600px) {
  #drawer {
    width: 100vw;
    left: -110vw;
  }

  .gallery {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}