diff --git a/R/group_tabularray.R b/R/group_tabularray.R
index 9ad70746..54d82aa5 100644
--- a/R/group_tabularray.R
+++ b/R/group_tabularray.R
@@ -44,11 +44,13 @@ group_tabularray_col <- function(x, j) {
 
   for (k in seq_along(j)) {
     z <- min(j[[k]])
-    args <- list(x = out,
+    args <- list(tt_build_now = TRUE,
+                 x = out,
                  # the new header is always first row and 
                  # style_tt always adds nhead to index
                  i = 1 - meta(out)$nhead,
                  j = z,
+                 align = "c",
                  colspan = max(j[[k]]) - min(j[[k]]) + 1)
     out <- do.call(style_tt, args)
   }
diff --git a/R/group_tt.R b/R/group_tt.R
index 07a42484..c3664186 100644
--- a/R/group_tt.R
+++ b/R/group_tt.R
@@ -4,7 +4,6 @@
 #' @inheritParams tt
 #' @inheritParams style_tt
 #' @param indent integer number of `pt` to use when indenting the non-labelled rows.
-#' @param ... All additional arguments (ex: `italic`, `bold`, `color`) are automatically passed to the `style_tt()` function and applied to the labels.
 group_tt <- function(x, i = NULL, j = NULL, indent = 1) {
 
   if (is.null(meta(x))) stop("`x` must be generated by `tinytable::tt()`.", call. = FALSE)
@@ -26,7 +25,7 @@ group_tt <- function(x, i = NULL, j = NULL, indent = 1) {
   if (meta(out)$output == "latex") {
     cal <- call("group_tabularray", i = i, j = j, indent = indent)
   } else if (meta(out)$output == "html") {
-    cal <- call("group_botstrap", i = i, j = j, indent = indent)
+    cal <- call("group_bootstrap", i = i, j = j, indent = indent)
   }
 
   out <- meta(out, "lazy_group", c(meta(out)$lazy_group, list(cal)))
diff --git a/R/style_tt.R b/R/style_tt.R
index 2ddacde7..72921377 100644
--- a/R/style_tt.R
+++ b/R/style_tt.R
@@ -30,6 +30,7 @@
 #' @param bootstrap_css_rule A string with complete CSS rules that apply to the table class specified using the `theme` argument of the `tt()` function.
 #' @param tabularray_inner A string that specifies the "inner" settings of a tabularray LaTeX table. 
 #' @param tabularray_outer A string that specifies the "outer" settings of a tabularray LaTeX table.
+#' @param ... extra arguments are ignored
 #' @return Returns a modified `tinytable` object with the applied styles.
 #' @template latex_preamble
 #' @export
@@ -59,7 +60,8 @@ style_tt <- function (x,
                       tabularray_inner = NULL,
                       tabularray_outer = NULL,
                       bootstrap_css = NULL,
-                      bootstrap_css_rule = NULL) {
+                      bootstrap_css_rule = NULL,
+                      ...) {
 
   out <- x
   cal <- call("style_tt_lazy",
@@ -84,7 +86,11 @@ style_tt <- function (x,
               bootstrap_css = bootstrap_css,
               bootstrap_css_rule = bootstrap_css_rule)
 
-  out <- meta(out, "lazy_style", c(meta(out)$lazy_style, list(cal)))
+  if (isTRUE(list(...)[["tt_build_now"]])) {
+    out <- eval(cal)
+  } else {
+    out <- meta(out, "lazy_style", c(meta(out)$lazy_style, list(cal)))
+  }
 
   return(out)
 }
diff --git a/inst/tinytest/test-format_tt.R b/inst/tinytest/test-format_tt.R
index b481f222..28d4d67d 100644
--- a/inst/tinytest/test-format_tt.R
+++ b/inst/tinytest/test-format_tt.R
@@ -7,9 +7,9 @@
 # )
 #
 # Q
-pkgload::load_all()
-k = dat |> tt("latex") |>
-  style_tt(color = "orange") |>
-  format_tt(j = 1, digits = 10, num_fmt = "decimal") |>
-  format_tt(j = 2, date = "%Y")
-print(k)
+# pkgload::load_all()
+# k = dat |> tt("latex") |>
+#   style_tt(color = "orange") |>
+#   format_tt(j = 1, digits = 10, num_fmt = "decimal") |>
+#   format_tt(j = 2, date = "%Y")
+# print(k)
diff --git a/man/group_tt.Rd b/man/group_tt.Rd
index 0193a5ed..79561cf9 100644
--- a/man/group_tt.Rd
+++ b/man/group_tt.Rd
@@ -4,7 +4,7 @@
 \alias{group_tt}
 \title{Spanning labels to identify groups of rows or columns}
 \usage{
-group_tt(x, i = NULL, j = NULL, indent = 1, ...)
+group_tt(x, i = NULL, j = NULL, indent = 1)
 }
 \arguments{
 \item{x}{A data frame or data table to be rendered as a table.}
@@ -14,8 +14,6 @@ group_tt(x, i = NULL, j = NULL, indent = 1, ...)
 \item{j}{Column indices where the styling should be applied. Can be a single value, a vector, or a Perl-style regular expression applied to column names of the original data frame. If \code{colspan} is used, \code{j} must be of length 1.}
 
 \item{indent}{integer number of \code{pt} to use when indenting the non-labelled rows.}
-
-\item{...}{All additional arguments (ex: \code{italic}, \code{bold}, \code{color}) are automatically passed to the \code{style_tt()} function and applied to the labels.}
 }
 \description{
 Spanning labels to identify groups of rows or columns
diff --git a/man/style_tt.Rd b/man/style_tt.Rd
index dbe94852..6fa4081d 100644
--- a/man/style_tt.Rd
+++ b/man/style_tt.Rd
@@ -23,7 +23,8 @@ style_tt(
   tabularray_inner = NULL,
   tabularray_outer = NULL,
   bootstrap_css = NULL,
-  bootstrap_css_rule = NULL
+  bootstrap_css_rule = NULL,
+  ...
 )
 }
 \arguments{
@@ -78,6 +79,8 @@ style_tt(
 \item{bootstrap_css}{A vector of CSS style declarations to be applied (ex: \code{"font-weight: bold"}). Each element corresponds to a cell defined by \code{i} and \code{j}.}
 
 \item{bootstrap_css_rule}{A string with complete CSS rules that apply to the table class specified using the \code{theme} argument of the \code{tt()} function.}
+
+\item{...}{extra arguments are ignored}
 }
 \value{
 Returns a modified \code{tinytable} object with the applied styles.
diff --git a/vignettes/tutorial.qmd b/vignettes/tutorial.qmd
index 87d512db..a8282d65 100644
--- a/vignettes/tutorial.qmd
+++ b/vignettes/tutorial.qmd
@@ -544,7 +544,7 @@ Here is a table with both row and column headers, as well as some styling:
 ```{r}
 dat <- mtcars[1:9, 1:8]
 tt(dat) |> 
-  group_tt(color = "teal", italic = TRUE,
+  group_tt(
     i = list("I like (fake) hamburgers" = 3,
              "She prefers halloumi" = 4,
              "They love tofu" = 7),