Twitter: Rectangular avatars

twitter-rect-avatars.user.js

// ==UserScript==
// @name     Twitter: Rectangular avatars
// @name:de  Twitter: Rechteckige Avatare
// @include  *://twitter.com/*
// @include  *://tweetdeck.twitter.com/*
// @include  *://analytics.twitter.com/*
// @author   xThunderbolt, PplusS
// ==/UserScript==

function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) { return; }
    style = document.createElement('style');
    style.type = 'text/css';
    style.innerHTML = css;
    head.appendChild(style);
}

addGlobalStyle('.avatar, .Avatar, .ProfileAvatar-image , .profile-picture, .profileAvatar-container, .ProfileAvatar, .DashboardProfileCard-avatarImage, .ProfileCard-avatarLink, .ProfileCard-avatarImage, .ProfileCardMini-avatarImage { border-radius: 3% !important; } .nav .session .dropdown-toggle { border-radius: 3% !important; } .Gallery.with-tweet.without-tweet .Gallery-media { border-radius: 0% !important; }');