body {
  font-family: 'Roboto', sans-serif;
  margin: 0;
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: #222;
  color: #222;
  padding: 20px 0px 0px 0px;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: 100px;
}

.logo {
  
  height: 80px;
}

.social-media {
  float: right;
}

.social-media a {
  display: inline-block;
  margin-left: 10px;
}

.social-media img {
  width: 30px;
  height: 30px;
}

nav {
  background-color: #eee;
  padding: 10px 0;
  position: fixed;
  top: 100px;
  left: 0;
  width: 220px;
  height: calc(100% - 100px);
  overflow-y: auto;
  z-index: 99;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
  text-align: center;
}

.nav-link {
  display: block;
  padding: 10px 20px;
  color: #333;
  text-decoration: none;
  font-weight: bold;
  background-color: #f5f5f5;
  border-radius: 10px;
  box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
  margin-bottom: 5px;
  font-size: 14px;
  white-space: nowrap;
}

a.nav-link:hover,
a.nav-link:focus {
  background-color: #e0e0e0;
}

main {

}

footer {
  background-color: #222;
  color: white;
  padding: 20px;
  text-align: center;
  clear: both;
  width: auto;
  margin-left: auto;
  margin-right: auto;
  padding: 20px 20px 20px 240px;  
}

footer p {
  text-align: center;
}

/***** NEW *****/
.modal {
	display: none;
	position: fixed;
	z-index: 1;
	padding-top: 100px;
	left: 100px;
	top: 0;
	width: 100%;
	height: 100%;
	overflow: auto;
	background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
	margin: auto;
	display: block;
	max-width: 90%;
	max-height: 90%;
}

.close {
	position: absolute;
	top: 140px;
	right: 110px;
	color: #f1f1f1;
	font-size: 40px;
	font-weight: bold;
	transition: 0.3s;
}

.close:hover,
.close:focus {
	color: #bbb;
	text-decoration: none;
	cursor: pointer;
}	

.img__wrap {
	position: relative;
	display: inline-block;
}

.img__img {
	vertical-align: bottom;
	width: 100%;
	max-width: 400px;
}

.img__description_layer {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	background: rgba(36, 62, 206, 0.3);
	color: #fff;
	visibility: hidden;
	opacity: 0;
	display: flex;
	width: 100%;
	align-items: center;
	justify-content: center;

	/* transition effect. not necessary */
	transition: opacity .2s, visibility .2s;
}

.img__wrap:hover .img__description_layer {
	visibility: visible;
	opacity: 1;
}

.img__description {
	transition: .2s;
	transform: translateY(1em);
	text-align: center;
}

.img__wrap:hover .img__description {
	transform: translateY(0);
}

*,
*::after,
*::before {
  margin: 0;
  padding: 0;
  box-sizing: inherit; 
}

.gallery {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(14, 5vw);
  gap: 20px;
  padding: 0px 20px 20px 240px;  
}

.gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block; 
}
/*row 1*/
.gallery__item--1 {
  grid-column: 1 / span 2;
  grid-row: 1 / span 2;
}

.gallery__item--2 {
  grid-column: 3 / span 2;
  grid-row: 1 / span 2;
}

.gallery__item--3 {
  grid-column: 7 / span 4;
  grid-row: 3 / span 4;
}

.gallery__item--4 {
  grid-column: 7 / span 2;
  grid-row: 1 / span 2;	
}
/*row 2 & 3*/
.gallery__item--5 {
  grid-column: 1 / span 2;
  grid-row: 3 / span 2;	
}

.gallery__item--6 {
  grid-column: 1 / span 2;
  grid-row: 5 / span 2;	
}

.gallery__item--7 {
  grid-column: 3 / span 4;
  grid-row: 3 / span 4;		
}

.gallery__item--8 {
  grid-column: 7 / span 2;
  grid-row: 3 / span 2;	
}

.gallery__item--9 {
  grid-column: 7 / span 2;
  grid-row: 5 / span 2;		
}
/*row 4*/
.gallery__item--10 {
  grid-column: 1 / span 2;
  grid-row: 7 / span 2;		
}

.gallery__item--11 {
  grid-column: 3 / span 2;
  grid-row: 7 / span 2;		
}

.gallery__item--12 {
  grid-column: 3 / span 4;
  grid-row: 7 / span 4;	
}

.gallery__item--13 {
  grid-column: 7 / span 2;
  grid-row: 7 / span 2;	
}
/*row 5 & 6*/
.gallery__item--14 {
  grid-column: 1 / span 2;
  grid-row: 9 / span 2;	
}

.gallery__item--15 {
  grid-column: 1 / span 2;
  grid-row: 11 / span 2;	
}

.gallery__item--16 {
  grid-column: 3 / span 4;
  grid-row: 9 / span 4;		
}

.gallery__item--17 {
  grid-column: 7 / span 2;
  grid-row: 9 / span 2;	
}

.gallery__item--18 {
  grid-column: 7 / span 2;
  grid-row: 11 / span 2;		
}
/*row 7*/
.gallery__item--19 {
  grid-column: 1 / span 2;
  grid-row: 13 / span 2;		
}

.gallery__item--20 {
  grid-column: 3 / span 2;
  grid-row: 13 / span 2;		
}

.gallery__item--21 {
  grid-column: 5 / span 2;
  grid-row: 13 / span 2;	
}

.gallery__item--22 {
  grid-column: 7 / span 2;
  grid-row: 13 / span 2;	
}