# lv_theme_mono.h (/api/themes/mono/lv_theme_mono_h)
Functions [#functions]
lv_theme_mono_get [#lv_theme_mono_get]
Get mono theme
```c title=" " lineNumbers=1
lv_theme_t * lv_theme_mono_get(void)
```
**Returns:** — a pointer to mono theme, or NULL if this is not initialized
lv_theme_mono_init [#lv_theme_mono_init]
Initialize the theme
```c title=" " lineNumbers=1
lv_theme_t * lv_theme_mono_init(lv_display_t *disp, bool dark_bg, const lv_font_t *font)
```
Parameters
| Name | Type | Description |
| --------- | -------------------------------------------------------- | ------------------------- |
| `disp` | | pointer to display |
| `dark_bg` | | |
| `font` | | pointer to a font to use. |
**Returns:** — a pointer to reference this theme later
lv_theme_mono_is_inited [#lv_theme_mono_is_inited]
Check if the theme is initialized
```c title=" " lineNumbers=1
bool lv_theme_mono_is_inited(void)
```
**Returns:** — true if default theme is initialized, false otherwise
lv_theme_mono_deinit [#lv_theme_mono_deinit]
Deinitialize the mono theme
```c title=" " lineNumbers=1
void lv_theme_mono_deinit(void)
```
Dependencies [#dependencies]