Thing to make gnome3 toolbars not stupid

gtk.css

/* shrink headerbars */

headerbar {
    min-height: 0px;
    padding-left: 2px;
    /* same as childrens vertical margins for nicer proportions */
    padding-right: 2px;
    /* background-color: #2d2d2d; */
}

headerbar entry, headerbar spinbutton, headerbar button, headerbar separator {
    margin-top: 0px;
    /* same as headerbar side padding for nicer proportions */
    margin-bottom: 0px;
}

/* shrink ssd titlebars */

.default-decoration {
    min-height: 0;
    /* let the entry and button drive the titlebar size */
    padding: 0px;
    /* background-color: #2d2d2d; */
}

.default-decoration .titlebutton {
    min-height: 0px;
    /* tweak these two props to reduce button size */
    min-width: 0px;
}

window.ssd headerbar.titlebar {
    padding-top: 1px;
    padding-bottom: 1px;
    min-height: 0;
}

window.ssd headerbar.titlebar button.titlebutton {
    padding-top: 1px;
    padding-bottom: 1px;
    min-height: 0;
}