Fumiki Takahashi

TAROSKY INC.

This plugin will show notification for old browser, Internet Explorer.
Go to “Setting” > “Reading” and customize the message, URL, and labels.
To check the look and feel in your modern browsers, add query parameter to the URL <code>ie=true</code> e.g. <code>https://example.com/?ie=true</code>

Taro Browser Happy

A WordPress plugin to display notice to old browsers.

starnetwork

Custom Css plugin help you to manage your css files quickly and efficiently, directly from your dashboard. 
Overcoming the problems of IE is an everyday issue, which guzzles time and effort. 
With this plugin the administration of css files in your site becomes fast and easy as you are able to write css code from the admin panel for IE in separated files, and for all the other browsers in a single customized file. 
An option to edit your admin panel css file is also available, for customizing your own admin panel.

Best Custom CSS

best plugin for css

This plugin help you to manage your css files with an easy and convenient method directly from Wordpress dashboard.

Taro Browser Happy vs Best Custom CSS