* {
  box-sizing: border-box;
}

body {
  padding: 100px 50px;
  max-width: 2000px;
  margin: 0 auto;
  font-family: sans-serif;
  /* background: linear-gradient(to right, #CACFD2, #ECF0F1); */
  background: #ECF0F1;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 5px 0;
}

p {
  margin: 0 0 20px 0;
}

.close {
  background: none;
  color: black;
  border: 0;
}

.gallery {
  display: grid;
  grid-gap: 28px;
  grid-template-columns: repeat(auto-fill, 100px);
  grid-auto-rows: 100px;
  grid-auto-flow: dense;
}

.item {
  overflow: hidden;
  display: grid;
  grid-template-columns: 1;
  grid-template-rows: 1;
}

.item img {
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item__overlay {
  background: #22222282;
  grid-column: 1 / -1;
  grid-row: 1 / -1;
  position: relative;
  display: grid;
  justify-items: center;
  align-items: center;
  transition: 0.2s;
  transform: translateY(100%);
}

.item__overlay button {
  background: none;
  border: 2px solid white;
  color: white;
  text-transform: uppercase;
  background: rgba(0, 0, 0, 0.7);
  padding: 5px;
}

.item:hover .item__overlay {
  transform: translateY(0);
}


.item.v2 {
  grid-row: span 2;
}

.item.v3 {
  grid-row: span 3;
}

.item.v4 {
  grid-row: span 4;
}

.item.h2 {
  grid-column: span 2;
}

.item.h3 {
  grid-column: span 3;
}

.item.h4 {
  grid-column: span 4;
}


.overlay {
  position: fixed;
  background: rgba(0, 0, 0, 0.75);
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  display: none;
  z-index: 2;
}

.overlay.open {
  display: grid;
  align-items: center;
  justify-items: center;
}

.overlay-inner {
  background: #CACFD2;
  width: 700px;
  padding: 20px;
}

.overlay img {
  width: 100%;
}