Twitter User Styles

twitter-user-style.css

/* ==UserStyle==
@name           Make twitter less bad
@namespace      github.com/janxious
@version        1.2.0
@description    remove the sidebar, outline images without alt tags, change the font to something useful
@author         Joel Meador
==/UserStyle== */
@-moz-document domain("twitter.com") {
    /* outline images without alt tags */
    div[aria-label="Image"] {
        border: 2px dotted red;
    }

    /* hide all sidebar content because it all sucks */
    div[data-testid="sidebarColumn"] > div > div > div > div > div > div + div {
        display: none;
    }
    
    /* user Verdana font instead of the horrible one twitter commissioned */
    * {
        font-family: verdana !important;
    }
}