diff --git a/R/column_spec.R b/R/column_spec.R
index 76df91b..27c76b6 100644
--- a/R/column_spec.R
+++ b/R/column_spec.R
@@ -5,9 +5,7 @@
 #' bold text and italic text.
 #'
 #' @param kable_input Output of `knitr::kable()` with `format` specified
-#' @param column A numeric value indicating which column to be selected. When
-#' you do the counting, ignore the extra header columns you added through
-#' add_header_left.
+#' @param columns A numeric value or vector indicating which column(s) to be selected.
 #' @param width A character string telling HTML & LaTeX how wide the column
 #' needs to be, e.g. "10cm", "3in" or "30em".
 #' @param bold A T/F value to control whether the text of the selected column
@@ -26,17 +24,22 @@
 #' @param border_right A logical variable indicating whether there should be a
 #' border line on the right of the selected column. In HTML, you can also pass
 #' in a character string for the CSS of the border line
+#' @param column Deprecating. Same with columns
 #'
 #' @examples x <- knitr::kable(head(mtcars), "html")
 #' column_spec(x, 1, width = "20em", bold = TRUE, italic = TRUE)
 #'
 #' @export
-column_spec <- function(kable_input, column,
+column_spec <- function(kable_input, columns = NULL,
                         width = NULL, bold = FALSE, italic = FALSE,
                         monospace = FALSE, color = NULL, background = NULL,
-                        border_left = FALSE, border_right = FALSE) {
-  if (!is.numeric(column)) {
-    stop("column must be a numeric value")
+                        border_left = FALSE, border_right = FALSE,
+                        column, ...) {
+  if (is.null(columns)) {
+    columns <- column
+  }
+  if (!is.numeric(columns)) {
+    stop("columns/column must be numeric. Note that column is deprecating.")
   }
   kable_format <- attr(kable_input, "format")
   if (!kable_format %in% c("html", "latex")) {
@@ -44,20 +47,20 @@
     return(kable_input)
   }
   if (kable_format == "html") {
-    return(column_spec_html(kable_input, column, width,
+    return(column_spec_html(kable_input, columns, width,
                             bold, italic, monospace,
                             color, background,
                             border_left, border_right))
   }
   if (kable_format == "latex") {
-    return(column_spec_latex(kable_input, column, width,
+    return(column_spec_latex(kable_input, columns, width,
                              bold, italic, monospace,
                              color, background,
-                             border_left, border_right))
+                             border_left, border_right, ...))
   }
 }
 
-column_spec_html <- function(kable_input, column, width,
+column_spec_html <- function(kable_input, columns, width,
                              bold, italic, monospace,
                              color, background,
                              border_left, border_right) {
@@ -66,15 +69,7 @@
   kable_tbody <- xml_tpart(kable_xml, "tbody")
 
   group_header_rows <- attr(kable_input, "group_header_rows")
-  if (is.null(kable_attrs$column_adjust)) {
-    all_contents_rows <- seq(1, length(xml_children(kable_tbody)))
-    all_contents_array <- rep(column, length(all_contents_rows))
-  } else {
-    column <- column + kable_attrs$column_adjust$count
-    all_contents_array <- colSums(kable_attrs$column_adjust$matrix[1:column, ])
-    all_contents_rows <- which(all_contents_array != 0 &
-                                 kable_attrs$column_adjust$matrix[column, ])
-  }
+  all_contents_rows <- seq(1, length(xml_children(kable_tbody)))
 
   if (!is.null(group_header_rows)) {
     all_contents_rows <- all_contents_rows[!all_contents_rows %in%
@@ -94,39 +89,41 @@
   }
 
   for (i in all_contents_rows) {
-    target_cell <- xml_child(xml_child(kable_tbody, i), all_contents_array[i])
-    if (!is.null(width)) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "width: ", width, "; ")
-    }
-    if (bold) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "font-weight: bold;")
-    }
-    if (italic) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "font-style: italic;")
-    }
-    if (monospace) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "font-family: monospace;")
-    }
-    if (!is.null(color)) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "color: ", color, ";")
-    }
-    if (!is.null(background)) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "background-color: ",
-                                               background, ";")
-    }
-    if (border_left) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "border-left:", border_l_css, ";")
-    }
-    if (border_right) {
-      xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
-                                               "border-right:", border_r_css, ";")
+    for (j in columns) {
+      target_cell <- xml_child(xml_child(kable_tbody, i), j)
+      if (!is.null(width)) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "width: ", width, "; ")
+      }
+      if (bold) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "font-weight: bold;")
+      }
+      if (italic) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "font-style: italic;")
+      }
+      if (monospace) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "font-family: monospace;")
+      }
+      if (!is.null(color)) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "color: ", color, ";")
+      }
+      if (!is.null(background)) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "background-color: ",
+                                                 background, ";")
+      }
+      if (border_left) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "border-left:", border_l_css, ";")
+      }
+      if (border_right) {
+        xml_attr(target_cell, "style") <- paste0(xml_attr(target_cell, "style"),
+                                                 "border-right:", border_r_css, ";")
+      }
     }
   }
   out <- as_kable_xml(kable_xml)
@@ -134,10 +131,11 @@
   return(out)
 }
 
-column_spec_latex <- function(kable_input, column, width,
+column_spec_latex <- function(kable_input, columns, width,
                               bold, italic, monospace,
                               color, background,
-                              border_left, border_right) {
+                              border_left, border_right,
+                              decimal_align = F) {
   table_info <- magic_mirror(kable_input)
   if (!is.null(table_info$collapse_rows)) {
     message("Usually it is recommended to use column_spec before collapse_rows,",
@@ -146,8 +144,8 @@
   align_collapse <- ifelse(table_info$booktabs, "", "\\|")
   kable_align_old <- paste(table_info$align_vector, collapse = align_collapse)
 
-  table_info$align_vector[column] <- unlist(lapply(
-    table_info$align_vector_origin[column],
+  table_info$align_vector[columns] <- unlist(lapply(
+    table_info$align_vector_origin[columns],
     function(x) {
       latex_column_align_builder(
         x, width, bold, italic, monospace,
@@ -165,7 +163,9 @@
     if (is.null(table_info$column_width)) {
       table_info$column_width <- list()
     }
-    table_info$column_width[[paste0("column_", column)]] <- width
+    for (i in columns) {
+      table_info$column_width[[paste0("column_", i)]] <- width
+    }
   }
   attr(out, "kable_meta") <- table_info
   return(out)