Отключение Bootstrap - Вопросы по CSS

<meta name="viewport" content="width=device-width, initial-scale=1">

.wrapper{
    width:960px !important;
}

@media only screen and (max-width: 1024px) {
.wrapper {
	width: 95%;
}

}
 @media only screen and (max-width: 800px) {
#primary-menu-container {
	min-width: 60%;
}

}
@media only screen and (max-width: 640px) {
#mobileMenu{ display:none !important; }
.css3-selectbox{ display:block !important; width:60% !important; float:right; }
.home  .vg-TopHeight{
	height: 620px;
}

}
@media only screen and (max-width: 480px) {
#mobileMenu{ display:none !important; }
.css3-selectbox{ display:block !important; width:100% !important; float:none; padding-top:15px; }
.home  .vg-TopHeight{
	height: 520px;
}

}
@media only screen and (max-width: 320px) {
#mobileMenu{ display:none !important; }
.css3-selectbox{ display:block !important; }
.home  .vg-TopHeight{
	height: 480px;
}

.wrapper {
	width: 95%;
}