Twitterのアイコンを10%の角丸にするCSSです。Stylishでどうぞ。書き込み欄の角丸も取ります。

Twitterのアイコンを10%の角丸にする

/* Twitter */

@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("twitter.com") {
  .edge-design .avatar {
    border-radius: 10% !important; 
  }
  
  .DashboardProfileCard-avatarImage  {
    border-radius: 10% !important; 
  }
  
  .avatar  {
    border-radius: 10% !important; 
  }

  .ProfileAvatar, .ProfileAvatar-image, .ProfileAvatar-placeholderImage {
    border-radius: 10% !important; 
  }
  
  .ProfileCard-avatarLink, .ProfileCard-avatarImage {
    border-radius: 10% !important; 
  }
  .ProfileCardMini-avatarImage {
    border-radius: 10% !important; 
  }
  
  
  .RichEditor{
    border-radius: 1% !important; 
  } 
  
  .u-borderRadiusInherit{
    border-radius: 1% !important; 
  }
  
    .global-nav .search-input{
    border-radius: 1% !important; 
  } 
  
  .nav .session .dropdown-toggle{
    border-radius: 1% !important; 
  } 
  
  .EdgeButton{
    border-radius: 1% !important; 
  } 

}