diff --git a/README.md b/README.md
index 51814ba..0f922ec 100644
--- a/README.md
+++ b/README.md
@@ -73,7 +73,7 @@ dropdownConfig := gropdown.NewConfigBuilder().Build()
Users can access each configuration option using the corresponding `With` method, such as `gropdown.WithOpen(true)` or `gropdown.WithPosition(gropdown.Left)`.
| Option | Type | Default | Description |
-|-----------------------|---------------|----------|-----------------------------------------------------------------------------------------------------------------------|
+|:----------------------|:--------------|:---------|:----------------------------------------------------------------------------------------------------------------------|
| `Open` | _bool_ | `false` | indicates whether the dropdown menu is currently open. |
| `Placement` | [_Placement_] | `Bottom` | indicates the position of the dropdown content relative to the button. Options: `Top`, `Bottom`, `Left`, and `Right`. |
| `Animation` | _bool_ | `true` | indicates whether the dropdown button should use animations on open and close. |
@@ -159,20 +159,20 @@ There are methods acting as wrappers to the templ's `templ.ToGoHTML`, generate t
gropdown.Root
| Property | Type | Description |
-|----------|----------|--------------------------------------------------------|
+|:---------|:---------|:-------------------------------------------------------|
| `id` | _string_ | The unique identifier for the dropdown menu component. |
gropdown.Button
| Property | Type | Description |
-|----------|----------------|------------------------------------------------------|
+|:---------|:---------------|:-----------------------------------------------------|
| `label` | _string_ | The text displayed for the dropdown menu button. |
| `icon` | [_ButtonIcon_] | The icon displayed next to the dropdown menu button. |
gropdown.Item
| Property | Type | Description |
-|----------|-----------------|----------------------------------------------------------------------|
+|:---------|:----------------|:---------------------------------------------------------------------|
| `label` | _string_ | The text displayed for the dropdown menu item. |
| `opts` | [_ItemOptions_] | The options for configuring the behavior and appearance of the item. |
diff --git a/docs/css-props.md b/docs/css-props.md
new file mode 100644
index 0000000..6555aff
--- /dev/null
+++ b/docs/css-props.md
@@ -0,0 +1,158 @@
+# gropdown CSS custom props
+
+Here below is the list of all CSS variables defined and their default values:
+
+## Colors
+
+[Source Code](../gropdown-css.templ#L12-L72).
+
+| CSS Property | Default Value | Description |
+|:-------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------|:-----------------------------------------------------|
+| `--gdd-color-space` | _oklab_ | The color space used for color mixing. |
+| `--gdd-primary` |
_hsl(215deg 16.3% 46.9%)_
| Defines the primary color of the dropdown component. |
+| `--gdd-primary-10` | Result of color-mix function | Shade of the primary color at 10% brightness. |
+| `--gdd-primary-20` | Result of color-mix function | Shade of the primary color at 20% brightness. |
+| `--gdd-primary-30` | Result of color-mix function | Shade of the primary color at 30% brightness. |
+| `--gdd-primary-40` | Result of color-mix function | Shade of the primary color at 40% brightness. |
+| `--gdd-primary-50` | _var(--gdd-primary)_ | The primary color itself. |
+| `--gdd-primary-60` | Result of color-mix function | Shade of the primary color at 60% brightness. |
+| `--gdd-primary-70` | Result of color-mix function | Shade of the primary color at 70% brightness. |
+| `--gdd-primary-80` | Result of color-mix function | Shade of the primary color at 80% brightness. |
+| `--gdd-primary-90` | Result of color-mix function | Shade of the primary color at 90% brightness. |
+| `--gdd-primary-lightest` | _var(--gdd-primary-10)_ | The lightest shade of the primary color. |
+| `--gdd-primary-lighter` | _var(--gdd-primary-20)_ | A lighter shade of the primary color. |
+| `--gdd-primary-light` | _var(--gdd-primary-30)_ | A light shade of the primary color. |
+| `--gdd-primary-dark` | _var(--gdd-primary-70)_ | A dark shade of the primary color. |
+| `--gdd-primary-darker` | _var(--gdd-primary-80)_ | A darker shade of the primary color. |
+| `--gdd-primary-darkest` | _var(--gdd-primary-90)_ | The darkest shade of the primary color. |
+
+## Dropdown Button
+
+| CSS Property | Default Value | Description |
+|:------------------------------------------|:-------------------------------|:------------------------------------------------------------------|
+| `--gdd-button-min-w` | _4.5em_ | Minimum width of the dropdown button. |
+| `--gdd-button-py` | _1ch_ | Padding on the y-axis of the dropdown button. |
+| `--gdd-button-px` | _2ch_ | Padding on the x-axis of the dropdown button. |
+| `--gdd-button-icon-space` | _0.5ch_ | Space between the dropdown button label and icon. |
+| `--gdd-button-font-size` | _1rem_ | Font size of the dropdown button label. |
+| `--gdd-button-font-family` | _inherit_ | Font family of the dropdown button label. |
+| `--gdd-button-font-weight` | _500_ | Font weight of the dropdown button label. |
+| `--gdd-button-line-height` | _1.25_ | Line height of the dropdown button label. |
+| `--gdd-button-letter-spacing` | _0.025em_ | Letter spacing of the dropdown button label. |
+| `--gdd-button-border-width` | _1px_ | Border width of the dropdown button. |
+| `--gdd-button-border-style` | _solid_ | Border style of the dropdown button. |
+| `--gdd-button-border-color` | _transparent_ | Border color of the dropdown button. |
+| `--gdd-button-border-radius` | _0.25rem_ | Border radius of the dropdown button. |
+| `--gdd-button-transition-property` | _background_ | CSS property to transition for the dropdown button. |
+| `--gdd-button-transition-duration` | _300ms_ | Duration of the transition for the dropdown button. |
+| `--gdd-button-transition-timing-function` | _cubic-bezier(0.4, 0, 0.2, 1)_ | Timing function of the transition for the dropdown button. |
+| `--gdd-button-ring-width` | _2px_ | Width of the focus ring around the dropdown button. |
+| `--gdd-button-ring-style` | _solid_ | Style of the focus ring around the dropdown button. |
+| `--gdd-button-ring-offset` | _1px_ | Offset of the focus ring around the dropdown button. |
+| `--gdd-button-animation-open-name` | _flipOutX_ | Animation property (name) for button icon when dropdown is open. |
+| `--gdd-button-animation-close-name` | _flipInX_ | Animation property (name) for button icon when dropdown is close. |
+
+### Light
+
+| CSS Property | Default Value | Description |
+|:---------------------------|:------------------------------|:----------------------------------------------------|
+| `--gdd-button-color` | _var(--gdd-primary-darker)_ | Text color of the dropdown button. |
+| `--gdd-button-color-hover` | _var(--gdd-primary-darker)_ | Text color of the dropdown button on hover. |
+| `--gdd-button-color-focus` | _var(--gdd-primary-darker)_ | Text color of the dropdown button on focus. |
+| `--gdd-button-bg` | _var(--gdd-primary-lightest)_ | Background color of the dropdown button. |
+| `--gdd-button-bg-hover` | _var(--gdd-primary-lighter)_ | Background color of the dropdown button on hover. |
+| `--gdd-button-bg-focus` | _var(--gdd-primary-lighter)_ | Background color of the dropdown button on focus. |
+| `--gdd-button-ring-color` | _var(--gdd-primary-light)_ | Color of the focus ring around the dropdown button. |
+
+### Dark
+
+| CSS Property | Default Value | Description |
+|:---------------------------|:-----------------------------|:----------------------------------------------------|
+| `--gdd-button-color` | _var(--gdd-primary-lighter)_ | Text color of the dropdown button. |
+| `--gdd-button-color-hover` | _var(--gdd-primary-lighter)_ | Text color of the dropdown button on hover. |
+| `--gdd-button-color-focus` | _var(--gdd-primary-lighter)_ | Text color of the dropdown button on focus. |
+| `--gdd-button-bg` | _var(--gdd-primary-dark)_ | Background color of the dropdown button. |
+| `--gdd-button-bg-hover` | _var(--gdd-primary-darker)_ | Background color of the dropdown button on hover. |
+| `--gdd-button-bg-focus` | _var(--gdd-primary-darker)_ | Background color of the dropdown button on focus. |
+| `--gdd-button-ring-color` | _var(--gdd-primary)_ | Color of the focus ring around the dropdown button. |
+
+## Dropdown Content
+
+| CSS Property | Default Value | Description |
+|:---------------------------------------------------|:--------------|:--------------------------------------------------------------------|
+| `--gdd-content-w` | _13rem_ | Width of the dropdown content. |
+| `--gdd-content-max-w` | _16rem_ | Maximum width of the dropdown content. |
+| `--gdd-content-mx` | _0_ | Margin on the x-axis of the dropdown content. |
+| `--gdd-content-my` | _0.25em_ | Margin on the y-axis of the dropdown content. |
+| `--gdd-content-px` | _0.375em_ | Padding on the x-axis of the dropdown content. |
+| `--gdd-content-py` | _0.5em_ | Padding on the y-axis of the dropdown content. |
+| `--gdd-content-border-width` | _1px_ | Border width of the dropdown content. |
+| `--gdd-content-border-style` | _solid_ | Border style of the dropdown content. |
+| `--gdd-content-border-radius` | _0.25rem_ | Border radius of the dropdown content. |
+| `--gdd-content-animation-entrance-duration` | _0.3s_ | Duration of the entrance animation for the dropdown content. |
+| `--gdd-content-animation-entrance-timing-function` | _ease-in-out_ | Timing function of the entrance animation for the dropdown content. |
+
+### Light
+
+| CSS Property | Default Value | Description |
+|:-----------------------------|:------------------------------------------------------------------------------------------------------------------------------------|:------------------------------------------|
+| `--gdd-content-bg-color` | _#ffffff_
| Background color of the dropdown content. |
+| `--gdd-content-border-color` | _var(--gdd-primary-lighter)_ | Border color of the dropdown content. |
+
+### Dark
+
+| CSS Property | Default Value | Description |
+|:-----------------------------|:-----------------------------|:------------------------------------------|
+| `--gdd-content-bg-color` | _var(--gdd-primary-darker)_ | Background color of the dropdown content. |
+| `--gdd-content-border-color` | _var(--gdd-primary-darkest)_ | Border color of the dropdown content. |
+
+### Dropdown Item
+
+| CSS Property | Default Value | Description |
+|:----------------------------|:--------------|:---------------------------------------------------|
+| `--gdd-item-px` | _0.375em_ | Padding on the x-axis of the dropdown item. |
+| `--gdd-item-py` | _0.375em_ | Padding on the y-axis of the dropdown item. |
+| `--gdd-item-icon-space` | _1ch_ | Space between the dropdown item label and icon. |
+| `--gdd-item-font-family` | _inherit_ | Font family of the dropdown item label. |
+| `--gdd-item-font-size` | _1rem_ | Font size of the dropdown item label. |
+| `--gdd-item-font-weight` | _500_ | Font weight of the dropdown item label. |
+| `--gdd-item-line-height` | _1.25_ | Line height of the dropdown item label. |
+| `--gdd-item-letter-spacing` | _0.025em_ | Letter spacing of the dropdown item label. |
+| `--gdd-item-border-width` | _1px_ | Border width of the dropdown item. |
+| `--gdd-item-border-style` | _solid_ | Border style of the dropdown item. |
+| `--gdd-item-border-color` | _transparent_ | Border color of the dropdown item. |
+| `--gdd-item-border-radius` | _0.25rem_ | Border radius of the dropdown item. |
+| `--gdd-item-ring-width` | _1px_ | Width of the focus ring around the dropdown item. |
+| `--gdd-item-ring-style` | _solid_ | Style of the focus ring around the dropdown item. |
+| `--gdd-item-ring-offset` | _0_ | Offset of the focus ring around the dropdown item. |
+| `--gdd-item-ring-color` | _transparent_ | Color of the focus ring around the dropdown item. |
+
+### Light
+
+| CSS Property | Default Value | Description |
+|:-------------------------|:------------------------------|:---------------------------------------|
+| `--gdd-item-color` | _var(--gdd-primary-dark)_ | Color of the item text. |
+| `--gdd-item-color-hover` | _var(--gdd-primary-darker)_ | Color of the item text on hover. |
+| `--gdd-item-color-focus` | _var(--gdd-primary-darker)_ | Color of the item text on focus. |
+| `--gdd-item-bg` | _transparent_ | Background color of the item. |
+| `--gdd-item-bg-hover` | _var(--gdd-primary-lightest)_ | Background color of the item on hover. |
+| `--gdd-item-bg-focus` | _var(--gdd-primary-lightest)_ | Background color of the item on focus. |
+
+### Dark
+
+| CSS Property | Default Value | Description |
+|:-------------------------|:------------------------------|:---------------------------------------|
+| `--gdd-item-color` | _var(--gdd-primary-light)_ | Color of the item text. |
+| `--gdd-item-color-hover` | _var(--gdd-primary-lightest)_ | Color of the item text on hover. |
+| `--gdd-item-color-focus` | _var(--gdd-primary-lightest)_ | Color of the item text on focus. |
+| `--gdd-item-bg` | _transparent_ | Background color of the item. |
+| `--gdd-item-bg-hover` | _var(--gdd-primary-60)_ | Background color of the item on hover. |
+| `--gdd-item-bg-focus` | _var(--gdd-primary-60)_ | Background color of the item on focus. |
+
+### Dropdown Divider
+
+| CSS Property | Default Value | Description |
+|:---------------------------|:---------------------|:-------------------------------------------------------------------|
+| `--gdd-item-divider-width` | _1px_ | Width of the divider between dropdown items. |
+| `--gdd-item-divider-style` | _solid_ | Style of the divider between dropdown items (e.g., solid, dashed). |
+| `--gdd-item-divider-color` | _var(--gdd-primary)_ | Color of the item divider. |