main > section[class*="section-"]:first-child {padding-top:0;}

[class*="section-"] {
	padding-top:50px;
	padding-bottom:50px;
}
.section-1 {}
.section-2 {background:#eee;}
.section-3 {background:#337ab7;color:#fff;}
.section-3 h4 {font-weight:bold;}

.dropdown {}
.dropdown:hover > .dropdown-menu {display:block;}
.dropdown-menu .dropdown-menu {top:-7px;left:100%;}