personal CSS for Stylish to apply to GMail (see also http://yoy.be/GMailLargerLabelsMenu.html

gmail.css

BODY,
INPUT,
TD {
    font-family: "PT Sans", sans-serif;
    line-height: 1.12;
}
.G-atb{
    height:32px;
}
.Wg {
    height:24px;
}
.nJ {
    font-family: "PT Sans", sans-serif;
    font-size: 12pt;
    font-weight: normal;
}
.ar, .ahR {
    font-family: "PT Sans Narrow", sans-serif;
}
.J-M {
    font-family: "PT Sans", sans-serif;
}
.aeJ {
    overflow-x: hidden;
}
.aX1 {
    max-height: 800px;
    top: 20px !important;
}
.aX2 {
    max-height: 832px;
    top: 20px !important;
}
.J-M-Jz {
    max-height: 600px;
}
.z0 {
    margin: 0px;
    height: 8px !important;
    padding: 0px 0px 0px 20px;
}
.z0 > .L3 {
    height: 24px !important;
}
.ha > .hP {
    font-family: "PT Sans", sans-serif;
}
.aim {
    height: 18px;
}
.J-N {
    padding: 0px 12px 0px 32px;
}
.J-LC {
    padding: 0px 12px 0px 48px;
}
.V6.CL {
    height:18px;
}