.tab-close-button,
.tab-line,
.urlbar-history-dropmaker,
.tabs-newtab-button,
#developer-button,
#stop-reload-button,
#nav-bar-overflow-button,
#star-button,
#pageActionButton,
#PanelUI-menu-button,
#back-button,
#forward-button,
#pageActionSeparator,
#PanelUI-button {
    display: none !important;
}

.tab-content {
    padding-left: 3px !important;
    font-size: 12px;
}

.tabbrowser-tab::after,
.tabbrowser-tab::before {
    border-left: 0 !important;
    margin: 0 !important;
    margin-bottom: 0 !important;
}

.textbox-input-box {
    font-size: 12px;
}

#urlbar {
    margin: 0 !important;
    border: 0 !important;
}

#nav-bar {
    -moz-box-ordinal-group: 1 !important;
    box-shadow: none !important;
    margin-top: -30px !important;
    margin-left: 70vw!important;
    overflow: hidden;
}

#TabsToolbar,
#nav-bar {
    height: 30px !important;
}

#TabsToolbar {
    margin-right: 30vw !important;
}

#TabsToolbar,
#tabbrowser-tabs {
    background-color: rgb(50, 50, 52) !important
}