$HOME/.config/rofi/theme.rasi
* {
    main-bg:            #476A84E6;
    main-fg:            #D9D9D9FF;
    main-br:            #A6A6A6FF;
    main-ex:            #595959CC;
    select-bg:          #A6A6A6FF;
    select-fg:          #476A84FF;
    separatorcolor:     transparent;
    border-color:       transparent;
}