gmail.user.css

/*!
 * bd808's gmail css hacks
 * © 2018 Bryan Davis and contributors
 * License: http://opensource.org/licenses/MIT
 */

/* Fixed width font for message bodies and composition */
.gs .ii,
textarea.Ak,
div[aria-label="Message Body"],
.a3s,
.g6 {
  font-family:"Input Mono","Source Code Pro",Inconsolata, Consolas, "Deja Vu Sans Mono", "Droid Sans Mono", monospace !important;
  font-size:12px !important;
  line-height: normal !important;
}

/* g+ profile link */
.gb_Ac {
  display:none;
}
/* g+ share button */
.gb_Jb {
  display:none;
}

/* ad gutter */
td.Bu.y3 {
  display:none;
}

/* restore html email blockquote markers */
blockquote.gmail_quote {
  border-left:1px solid #ccc;
  margin-left:.8ex;
  padding-left:1ex;
}

/* squish sidebar */
div.aeN {
    min-width:180px !important;
}
/* hide folder icons in left nav */
html body .qj {
    display:none;
}
/* compose button */
.z0 > .L3 { height: 32px; }
.z0 { margin: 0; }
/* Shrink the rows inside the sidebar */
html body .wT { max-width: 184px; min-width: 184px; }
/* Why mess with the letter spacing? */
html body .zA > .a4W { letter-spacing: inherit; }

.TO .nU > .n0,
.TO.NQ .nU > .n0,
.TO.nZ .nU > .n0,
.ah9 > .CJ,
.n3 > .CL > .CK {
    font-size:12px;
}