Personalized Web Options ^https://www.google.com/bookmarks/

GBookmarks.css

textarea[name=annotation] {
  height: 250px;
  padding: 5px 7px;
}

#gb,
#sidenav,
#cnt+div,
div[clear]+div,
form[name="add_bkmk_form"] tr:nth-child(1),
form[name="add_bkmk_form"] tr:nth-child(2),
form[name="add_bkmk_form"] tr:nth-child(7),
form[id^=bkmk_form_]  tr:nth-child(3),
form[id^=bkmk_form_]  tr:nth-child(4),
div[style="text-align: center;"],
#search table:nth-child(3) td[nowrap],
div.kd-buttonbar[style="float:left"],
a.kd-button:first-child /*cancel button in the new bookmark dialog */ {
  display: none;
}

form[name="add_bkmk_form"] td {
  vertical-align: top !important;
}

form[name="add_bkmk_form"] td[style="vertical-align:middle"] {
  font-weight: bold;
}

GBookmarks.js

var forEach = Array.prototype.forEach;

forEach.call(document.querySelectorAll('textarea.areastyled'), function(textarea) {
  textarea.value = textarea.value.replace(/  /g, '\n');
});

forEach.call(document.querySelectorAll('span[id^=bkmk_text_] a:first-of-type'), function(a) {
  var i = a.getAttribute('onclick').match(/'(\d+)'/)[1];

  a.addEventListener("click", function() {
    document.querySelector('#bkmk_notes_' + i).focus();
  }, false);

});

forEach.call(document.querySelectorAll('a[id^=bkmk_href_]'), function(a) {
  a .target = "_blank";
});

document.querySelector('.kd-button-submit').setAttribute('tabindex', 0);