diff --git a/man/cell_spec.Rd b/man/cell_spec.Rd
index 237c15b..cf6e298 100644
--- a/man/cell_spec.Rd
+++ b/man/cell_spec.Rd
@@ -5,7 +5,8 @@
 \title{Specify Cell format}
 \usage{
 cell_spec(x, format, bold = F, italic = F, monospace = F, color = NULL,
-  background = NULL, align = NULL, font_size = NULL, angle = NULL)
+  background = NULL, align = NULL, font_size = NULL, angle = NULL,
+  hover_message = NULL)
 }
 \arguments{
 \item{x}{Things to be formated. It could be a vector of numbers or strings.}
@@ -35,7 +36,10 @@
 \item{font_size}{Only if you want to specify font size locally in HTML.
 This feature is not available in LaTeX}
 
-\item{angle}{0-360, degree that the text will rotate.}
+\item{angle}{0-360, degree that the text will rotate. Can be a vector.}
+
+\item{hover_message}{A vector of strings to be displayed as hover message.
+Of course, this feature is nly available in HTML.}
 }
 \description{
 Specify Cell format before it gets into kable
diff --git a/man/spec_angle.Rd b/man/spec_angle.Rd
new file mode 100644
index 0000000..6bef9bb
--- /dev/null
+++ b/man/spec_angle.Rd
@@ -0,0 +1,18 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/spec_tools.R
+\name{spec_angle}
+\alias{spec_angle}
+\title{Generate rotation angle for continuous values}
+\usage{
+spec_angle(x)
+}
+\arguments{
+\item{x}{continuous vectors of values}
+
+\item{begin}{Smallest degree to rotate. Default is 0}
+
+\item{end}{Largest degree to rotate. Default is 359.}
+}
+\description{
+Generate rotation angle for continuous values
+}
diff --git a/man/spec_color.Rd b/man/spec_color.Rd
new file mode 100644
index 0000000..5a106f2
--- /dev/null
+++ b/man/spec_color.Rd
@@ -0,0 +1,31 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/spec_tools.R
+\name{spec_color}
+\alias{spec_color}
+\title{Generate viridis Color code for continuous values}
+\usage{
+spec_color(x, alpha = 1, begin = 0, end = 1, direction = 1,
+  option = "D", na_color = "#FFBBBBBB")
+}
+\arguments{
+\item{x}{continuous vectors of values}
+
+\item{alpha}{The alpha transparency, a number in [0,1], see argument alpha in
+\code{\link[grDevices]{hsv}}.}
+
+\item{begin}{The (corrected) hue in [0,1] at which the viridis colormap begins.}
+
+\item{end}{The (corrected) hue in [0,1] at which the viridis colormap ends.}
+
+\item{direction}{Sets the order of colors in the scale. If 1, the default, colors
+are ordered from darkest to lightest. If -1, the order of colors is reversed.}
+
+\item{option}{A character string indicating the colormap option to use. Four
+options are available: "magma" (or "A"), "inferno" (or "B"), "plasma" (or "C"),
+and "viridis" (or "D", the default option).}
+
+\item{na_color}{color code for NA values}
+}
+\description{
+Generate viridis Color code for continuous values
+}
diff --git a/man/spec_font_size.Rd b/man/spec_font_size.Rd
new file mode 100644
index 0000000..df2c1c0
--- /dev/null
+++ b/man/spec_font_size.Rd
@@ -0,0 +1,20 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/spec_tools.R
+\name{spec_font_size}
+\alias{spec_font_size}
+\title{Generate common font size for continuous values}
+\usage{
+spec_font_size(x, begin = 10, end = 20, na_font_size = "inherit")
+}
+\arguments{
+\item{x}{continuous vectors of values}
+
+\item{begin}{Smalles font size to be used. Default is 10.}
+
+\item{end}{Largest font size. Default is 20.}
+
+\item{na_font_size}{font size for NA values}
+}
+\description{
+Generate common font size for continuous values
+}