userChrome.css

/*************************************************** One_Liner ***************************************************/
#tabbrowser-tabs { visibility: collapse !important; }

#nav-bar {
margin-top: -30px;
margin-right: 35vw;
margin-bottom: 0px;
margin-left: 0px;}

/* if the screen is smaller than 1300px right margin is 30% */
@media screen and (max-width: 1700px){
  #urlbar-container{ min-width:unset !important }
  #navigator-toolbox > #nav-bar{ margin-right:30vw !important}
}

/* if the screen is smaller than 950px right margin is 20% */
@media screen and (max-width: 950px){
  #urlbar-container{ min-width:unset !important }
  #navigator-toolbox > #nav-bar{ margin-right:20vw !important}
}
/*************************************************** SIDEBERY ***************************************************/
#sidebar-box {  min-width: 1px !important;}

#sidebar-header{ display: none }

/************************************************ Hover_text_color ***************************************************/
tooltip{-moz-appearance: none !important; background:#232323 !important; color: #ededed}

/******************************************* Remove_Search_with_Google ***********************************************/
#urlbar[usertyping] .urlbarView-row:not([type]):first-child,
#urlbar[usertyping] .urlbarView-row[type="search"]:first-child,
.urlbarView-row[type="tabtosearch"] {
  display: none !important;
}

/******************************************* Remove_Padding_and_button_fix *************************************************/
#urlbar-container{ padding-block: 0px !important }
.titlebar-buttonbox-container{ -moz-box-align: start !important; }

/*************************************** Remove 1 pixel sized black line *********************************************/
#navigator-toolbox {
  border-bottom: none !important;
}

/*************************************** Remove Right Click Menu Top Settings ****************************************/
#context-navigation,#context-sep-navigation{ display: none !important }

/*************************************** Shrink toolbar by 1 pixel *********************************************/
#navigator-toolbox{
  --toolbarbutton-inner-padding: 5px;
}
#urlbar-container{
  --urlbar-container-height: 25px !important;
  padding-block: 1px !important;
}
toolbarbutton.bookmark-item:not(.subviewbutton){
  margin: 0px !important;
  padding-block: 0 !important;
}

/*************************************** Remove Bookmarks Star *******************************************************/
#star-button-box {display: none !important;}