@-moz-document url-prefix('https://twitter.com/') {
	/* 
		the code in here only apply to:
			-pages whose URLs start with https://twitter.com/
	*/
.dashboard {position: fixed;}
#page-container {background-image: none;}
.global-nav {font-smooth: always; -webkit-transform: rotate3d(0, 0, 0, 0);}

@media(max-height: 800px){.dashboard{position: absolute;}}

}