img{
	width: 100px;
}

.container{
	background-color: purple;

}

nav{
	line-height: 200px;
	float: right;
}



a{
	text-decoration: none;
   font-size: 16px;
   color: #fff;
}

li{
	display: inline-block;
	margin: 0px 15px 0px 15px;
}

li a{
   text-decoration: none;
   font-size: 16px;
   color: #fff;
}

.kvadr{
	border: 1px;
	border-radius: 15px;
	background-color: #000;
	padding: 15px;
}

.shapka{
	background-color: #000;
	text-align: center;
	color: #fff;
	height: 300px;
}
h2 {
	padding: 50px 0 20px 0;
}
.knopka{
	padding: 15px;
	color: #fff;
	width: 130px;
	margin: auto;
	background-color: red;
	border: 1px;
	border-radius: 30px;
}

.content{
	display: flex;
	width: 100%;
}
.main-content{
	width: 70%;
}
.sidebar{
	width: 30%;
}
.post{
	padding: 20px;
	display: flex;
}
.post img{
	float: right;
   width: 100px;
}
header{
    position: sticky;
    top: 0;
}