:root {
    --tab-border-radius: 15px !important;
    --toolbarbutton-border-radius: 15px !important;
    --tab-selected-outline-color: transparent !important;
    --urlbar-container-height: 32px !important;
    --toolbar-field-focus-border-color: transparent !important;
}

.titlebar-spacer[type="pre-tabs"] {
    width: 10px !important;
}

.tab-background:is([selected], [multiselected]) {
    background-color: transparent !important;
    box-shadow: none !important;
    border: 1px solid var(--tab-selected-bgcolor);
    outline: none !important;
}

.tab-background {
    min-height: 35px !important;
}

toolbarbutton#tabs-newtab-button, 
toolbarbutton#reload-button,
toolbarbutton#stop-reload-button,
toolbarbutton#stop-button,
.tab-close-button,
#TabsToolbar .toolbarbutton-1 {
    display: none;
}