square tabs for ff

@namespace url(http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul);

#TabsToolbar {
    /*background: rgba(242,242,242,100) !important;*/
    background: rgba(212,212,215,100) !important;
    border-style: rgba(212,212,212,100) !important;
    border-left-width: 0px !important;
    border-left-color: rgba(212,212,212,100) !important;
    border-right-width: 0px !important;
    border-right-color: rgba(212,212,212,100) !important;
    border-bottom-width: 0px !important;
    /*-width: 0px !important;*/
    border-left-color: rgba(212,212,212,100) !important;
    border-right-color: rgba(212,212,212,100) !important;
    border-top-color: transparent !important;
}

#main-window:not([privatebrowsingmode="true"])[sizemode="normal"] #TabsToolbar {
margin-left: 1px !important;
margin-right: 0px !important;
margin-top: 0px !important;
margin-bottom: -1px !important;
}

#main-window:not([privatebrowsingmode="true"])[sizemode="maximized"] #TabsToolbar {
margin-right: 0px !important;
margin-left: 1px !important;
margin-top: 0px !important;
margin-bottom: -1px !important;
}

#main-window:not([privatebrowsingmode="true"])[sizemode="fullscreen"] #TabsToolbar {
margin-right: -53px !important;
margin-left: 0px !important;
margin-top: 0px !important;
margin-bottom: -1px !important;}

#TabsToolbar .arrowscrollbox-scrollbox {
    padding: 0px !important;
}

#TabsToolbar .tabbrowser-tabs {
    min-height: 29px !important;
    margin-top: -1px !important;
    margin-bottom: 0px !important;
    margin-left:-2px !important;
    margin-right:-2px !important;
}

/*.tabbrowser-tab .tab-text {text-align: center;}*/

#TabsToolbar .tabbrowser-tab {
    -moz-border-top-colors: none !important;
    -moz-border-left-colors: none !important;
    -moz-border-right-colors: none !important;
    -moz-border-bottom-colors: none !important;
    border-style: none !important;
    border-color: rgba(150,150,150,100) !important;
    border-width: 0px 1px 0px 1px !important;
    padding: 0px 0px !important;
    background: transparent !important;
    background-clip: padding-box !important;
    transition: all 0.2s !important;
    margin-left: -1px !important;
}


#TabsToolbar .tabs-newtab-button {
    -moz-border-top-colors: none !important;
    -moz-border-left-colors: none !important;
    -moz-border-right-colors: none !important;
    -moz-border-bottom-colors: none !important;
    border-style: solid !important;
    border-color: transparent !important;
    background: rgba(255,255,255,.0) !important;
    background-clip: padding-box !important;
    transition: all .11s !important;
    opacity: .3 !important;
}

.scrollbutton-up[disabled="true"] {
border-style: solid !important;
border-right-width: 1px !important;
border-right-color: rgba(218,218,218,100) !important;
margin-left:-1px !important;
margin-right:-1px !important;
}

#TabsToolbar tab:not([selected="true"] ) {
      color: rgba(0,0,0,.6) !important;}

#TabsToolbar .tabbrowser-tab[selected] {
    color: rgba(0,0,0,1) !important;
    background: rgba(242,242,242,100) !important;
    background-clip: padding-box !important;
    border-color: rgba(242,242,242,100) !important;
    border-top-color: transparent !important;
    border-bottom-color: rgba(224,224,224,100) !important;
    }


#TabsToolbar .tabs-newtab-button:hover:not([selected]) {
    border-color: rgba(130,130,130,.0) !important;
}

#TabsToolbar .tabbrowser-tab:hover:not([selected]) {
    border-color: rgba(232,232,232,100) !important;
    border-top-color: rgba(236,236,236,100) !important;
    background-color: rgba(232,232,232,100) !important;
    color: rgba(0,0,0,1) !important;
}

#TabsToolbar .tab-background {
    margin: 0 !important;
    background: transparent !important;
}

#TabsToolbar .tab-background-start,
#TabsToolbar .tab-background-end {
    display: none !important;
}

#TabsToolbar .tab-background-middle {
    margin: -4px -2px !important;
    background: transparent !important;
}

#TabsToolbar .tabs-newtab-button {
    border-width: 0px 0px 0px 0px !important;
    margin: 0px !important;
    width: auto !important;
    padding: 0px 6px !important;
}

#urlbar {
    height: 24px !important;
}

#nav-bar {
	background: rgba(242,242,242,100) !important;
	margin-top: -1px !important;
	margin-left: 0px !important;
	margin-right: 0px !important;
	margin-bottom: 0px !important;
	padding: 0px 0 !important;
	border-radius: 0px 0px 0px 0px !important;
	border-top: 0px #282B34!important;
	box-shadow: none !important;
    }

#main-window:not([privatebrowsingmode="false"])[sizemode="normal"] #TabsToolbar {
margin-left: 1px !important;
margin-right: 1px !important;
margin-top: 0px !important;
margin-bottom: -1px !important;
}

#main-window:not([privatebrowsingmode="false"])[sizemode="maximized"] #TabsToolbar {
margin-right: 0px !important;
margin-left: 0px !important;
margin-top: 0px !important;
margin-bottom: 0px !important;
}

#main-window:not([privatebrowsingmode="false"])[sizemode="fullscreen"] #TabsToolbar {
margin-right: -53px !important;
margin-left: 0px !important;
margin-top: 0px !important;
margin-bottom: -1px !important;}