Bootstrap Screen methods

/* Custom, iPhone Retina */ 
@media only screen and (min-width : 320px) {}
/* Extra Small Devices, Phones */ 
@media only screen and (min-width : 480px) {}

/* Small Devices, Tablets */
@media only screen and (min-width : 768px) {}

/* Medium Devices, Desktops */
@media only screen and (min-width : 992px) {
.container-fluid header{position:fixed;width:100%;}
.container-fluid header h1{float:left !important;}
}
/* Large Devices, Wide Screens */
@media only screen and (min-width : 1200px) {
.container-fluid header{position:fixed;width:100%;}
.container-fluid header h1{float:left !important;}
}