// Cac bien global de khai bao cac color @f-color-themes-a: #DF2F00; @f-color-themes-b: #DF2F00; @f-background-thems-a: #DF2F00; @f-border-color-themes-a:red; @f-color-link:red; @f-color-link-hover:red; //-------------- .f-color-base{ color: @f-color-themes-a; } .f-bg-base{ background-color: @f-background-thems-a; } .f-border-base{ border-color: @f-border-color-themes-a; } //--------------- .f-link-base{ color: @f-color-link; &:hover{ color: @f-color-link-hover; } } a{ color: @f-color-themes-a; &:hover{ color: @f-color-themes-b; } }