userChrome.css

$cat userChrome.css
@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */

    #main-window[sizemode=maximized] #TabsToolbar > #urlbar-container,
    #main-window[sizemode=fullscreen] #TabsToolbar > #urlbar-container {
      min-width: 400px !important;
      max-width: 500px !important;
    }

    #main-window[sizemode=normal] #TabsToolbar > #urlbar-container {
      min-width: 900px !important;
      max-width: 1000px !important;
      margin-bottom: 2px !important;
    }

    .titlebar-placeholder[type="caption-buttons"] {
      margin-left: 10px !important;
    }

    #navigator-toolbox:not([customizing]) #TabsToolbar :-moz-any(#back-button[disabled], #forward-button[disabled], #back-forward-dropmarker[disabled]) {
      display: none;
    }


    #urlbar {
     font-size: 90% !important;
     margin: 0px 0px 0px 0px !important;
     min-height: 22px!important;
     max-height: 22px !important;
     padding-bottom: 0px !important;
     }

    #star-button {display: none !important;}


    #search-container {
        float: right !important;
        position: absolute !important;
        width: 300px !important;
    }

    #searchbar {
        width: 350px !important;
    }