$light_grey: #eee;
$grey: #777;
$black: #000;

* {
	margin: 0;
	padding: 0;
	color: $black;
	font-family: "Open Sans", Arial, sans-serif;
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
}

.container {
	width: 1000px;
	margin: 0 auto;
}

h1,
h2 {
	font-weight: 700;
}

h1 {
	margin-bottom: 30px;
	font-size: 30px;
}

h2 {
	margin-bottom: 20px;
	font-size: 18px;

	span {
		color: $grey;
	}
}

h3 {
	font-size: 16px;
}

p {
	margin-bottom: 20px;
}

ul {
	list-style: none;
}

a {
	color: $grey;
	text-decoration: none;
	font-weight: 700;
	
	&:hover {
		color: $black;
	}
}

img {
	width: 100%;
}

strong {
	color: blue;
}

.top {
	position: fixed;
	bottom: 50px;
	right: 50px;
	width: 50px;
	height: 50px;
	padding: 15px 0;
	background: $black;
	color: white;
	font-size: 14px;
	font-weight: 700;
	text-align: center;

	&:hover {
		color: #fff;
		cursor: pointer;
	}
}

header,
nav {
	margin-bottom: 50px;

	ul ul {
		padding-left: 30px;
	}
}

header {
	padding: 30px 0;
	background: $light_grey;
	text-align: center;
}

.changes-list {
	margin-bottom: 20px;
}

.sep {
	width: 100%;
	height: 2px;
	margin: 50px 0;
	background: $grey;
}


