Stylus (Browser Extension) script to hide right side ad-panel from Yahoo! mail

script.js

/* This script does it's job successfully for the current
 * Yahoo! mail web page (October 2025). However if Yahoo!
 * updates their HTML chances are the script will break.
 * In that case I will reexamine their HTML structure and
 * try to update this script accordingly.
 */

/* 1) Completely hide the right rail */
section[data-test-id="novation-right-rail"] {
    display: none !important;
}

/* 2) Make the main content 120% wide */
div[data-test-id="novation-main-content"] {
    width: 123% !important;

    /* Helpful in flex/grid layouts so the 120% actually takes effect */
    max-width: none !important;
    flex-basis: 123% !important;
}