Hide new Twitter's right sidebar full of crap

userstyles.css

 .r-1ovo9ad div {
	width: 0px !important;
}

.r-1ovo9ad div div.r-1oszu61 {
	width: 360px !important;
}

.r-1ovo9ad form div {
	width: inherit !important;
}

.r-1ovo9ad form div.r-1upvrn0,
div[aria-label="More"][role="button"] {
	display: none;
}

/* make the main menu less bold */
header[role="banner"] .r-1qd0xha {
	font-weight: 300;
}

/* turn off image/link previews if you like */
/*
.r-156q2ks { 
	display: none; 
}
*/