:root{
  -webkit-user-select: none; /* Safari */
  -ms-user-select: none; /* IE 10 and IE 11 */
  user-select: none; /* Standard syntax */
  --first-color: #1B262C;
  --second-color: #0F4C75;
  --third-color: #3282B8;
  --fourth-color: #BBE1FA;
  --ok-color: #2BA646;
  --nok-color: #A6322B;
  --white-color: #FFFFFF;
  --orange-color: #BC9714;
}

html, body {
	position: relative;
	width: 100%;
	height: 100%;
	overflow-y: hidden;
	overflow-x: hidden;
}

body {
	color: #333;
	margin: 0;
	padding: 8px;
	box-sizing: border-box;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

a {
	color: rgb(0,100,200);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
}

a:visited {
	color: rgb(0,80,160);
}

label {
	display: block;
}

input, button, select, textarea {
	font-family: inherit;
	font-size: inherit;
	-webkit-padding: 0.4em 0;
	padding: 0.4em;
	margin: 0 0 0.5em 0;
	box-sizing: border-box;
	border: 1px solid #ccc;
	border-radius: 2px;
}

input:disabled {
	color: #ccc;
}

button {
	color: #333;
	background-color: #f4f4f4;
	outline: none;
}

button:disabled {
	color: #999;
}

button:not(:disabled):active {
	background-color: #ddd;
}

button:focus {
	border-color: #666;
}