div{
	float:left;
	clear:both;
}

/**/
 
h1 {
  font-size: 40px;
}
h2 { font-size:18px; }

h3 { font-size:15px; }
#container {
	background-color:grey;
	height:1800px;
	margin-bottom: 40px;
width:80%;
margin-left: 10;
float: left;
clear: both;

}



.picture{
width: 30%;
margin-left: 2%;
float: left;
background-color: powderblue;
height:300px;
clear:none;
}

.picture img{
	height:100%;
	width:100%;
}
<!-- title -->
.contentholder{
background-color:orange;
width:60%;
margin-left:17.75%;
height:100px;
margin-top: 40pk;


}
.header{
	width:90%;
	margin-left: 5%;
	background-color: lightpink;
	height:50px;
}

.menu{
width:15%;
	margin-left: 0%;
	background-color: lightpink;
		height:50px;
		clear:none;

}
.picturemap{
width: 30%;
margin-left: 35%;
float: left;
background-color: saddlebrown;
height:300px;
clear:none;
}
.picturemap img{
	height:100%;
	width:100%;
}