body {
	font-family: Arial, sans-serif;
	margin: 0;
	padding: 0;
	overflow: scroll;
}

header {
	background-color: #0081E0;
	color: #fff;
	padding: 20px;
	text-align: center;
}
  
header h1 {
	margin: 0;
	font-size: 32px;
}
  
nav {
	background-color: #0081E0;
	padding: 10px;
	text-align: center;
}
  
nav ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
}
  
nav ul li {
	display: inline-block;
	margin: 0 10px;
}

nav ul li a {
	padding: 10px 15px;
	color: #fff;
	text-decoration: none;
	font-size: 18px;
}
  
nav ul li a:hover {
	transition-duration: 500ms;
	background-color: grey;
}

main {
	margin: 20px;
	text-align: center;
}
  /* 
  .card {
	display: inline-block;
	width: 445px;
	height: 520px;
	margin: 10px;
	background-color: #f1f1f1;
	border-radius: 10px;
	overflow: hidden;
}
  
.card:hover {
	transition-duration: 300ms;
	background-color: grey;
}
  
.card img {
	width: 100%;
	height: 300px;
	object-fit: cover;
}
  
.card h3 {
	font-size: 24px;
	margin: 10px;
}
  
.card p {
	font-size: 16px;
	margin: 10px;
}
*/ 


footer {
	background-color: #0081E0;
	color: #fff;
	padding: 20px;
	margin-top: 70px;
	text-align: center;
	left: 0;
	bottom: 0;
}
  
.container {
	display: flex;
	flex-direction: row;
	align-items: center;
}
  
.content {
	flex: 1;
	margin: 0 20px;
}
  
.content img {
	max-width: 100%;
	height: auto;
}
  
h1 {
	text-align: center;
}
  
h2 {
	margin-bottom: 10px;
}
  
#electric-train-container,
#diesel-train-container,
#steam-train-container {
	display: flex;
	flex-wrap: wrap;
	gap: 20px;
}
  
.train-thumbnail {
	width: 250px;
	border: 1px solid #ccc;
	padding: 10px;
	text-align: center;
	cursor: pointer;
}
  
.train-thumbnail img {
	max-width: 100%;
	height: auto;
}
  
.train-description {
	margin-top: 10px;
}

.in-development-thumbnail {
	background-color: rgb(238, 84, 84);
}

nav ul li .dark-mode-button {
	padding: 10px 15px;
	color: #fff;
	background-color: #0081E0;
	border: 0px;
	font-size: 18px;
}
  
nav ul li .dark-mode-button:hover {
	transition-duration: 500ms;
	background-color: grey;
}
  
   /* Svetly mod*/
body {
	background-color: #f2f2f2;
}

header {
	background-color: #0081E0;
	color: #fff;
}

.text-window {
	flex: 1;
	background-color: #ccc;
	padding: 20px;
}

/* Tmavy mod */
.dark-mode {
	background-color: black;
	color: white;
}

.dark-mode body {
	background-color: #333;
	color: #fff;
}

.dark-mode header {
	background-color: #333;
}

.dark-mode .text-window {
	background-color: #333;
	color: #fff;
}

.dark-mode nav {
	background-color: #333 ;
	color: #fff;
}

.dark-mode footer {
	background-color: #333 ;
	color: #fff;
}

.dark-mode .dark-mode-button {
	background-color: #333;
	color: #fff;
	padding: 10px 15px;
	border: 0px;
	font-size: 18px;
}