diff --git a/src/navigation_rail.rs b/src/navigation_rail.rs
index aa62ab7..9a77faa 100644
--- a/src/navigation_rail.rs
+++ b/src/navigation_rail.rs
@@ -21,7 +21,13 @@ pub fn NavigationRail<'a>(cx: Scope<'a>, children: Element<'a>) -> Element<'a> {
 }
 
 #[component]
-pub fn NavigationRailItem<'a>(cx: Scope<'a>, icon: Element<'a>, label: Element<'a>, is_selected: bool, onselect: EventHandler<'a, MouseEvent>) -> Element<'a> {
+pub fn NavigationRailItem<'a>(
+    cx: Scope<'a>,
+    icon: Element<'a>,
+    label: Element<'a>,
+    is_selected: bool,
+    onselect: EventHandler<'a, MouseEvent>,
+) -> Element<'a> {
     let theme = use_theme(cx);
 
     render!(
diff --git a/src/text_field.rs b/src/text_field.rs
index 354efa6..00ba95e 100644
--- a/src/text_field.rs
+++ b/src/text_field.rs
@@ -1,3 +1,4 @@
+use crate::use_theme;
 use dioxus::prelude::*;
 use dioxus_spring::{use_animated, use_spring};
 use dioxus_use_mounted::use_mounted;
@@ -9,8 +10,11 @@ pub fn TextField<'a>(
     label: &'a str,
     value: &'a str,
     onchange: EventHandler<'a, FormEvent>,
+    background: Option<&'a str>,
+    font_size: Option<f32>,
 ) -> Element<'a> {
     let is_populated = use_state(cx, || !value.is_empty());
+    let theme = use_theme(cx);
 
     let spring = use_spring(
         cx,
@@ -35,11 +39,14 @@ pub fn TextField<'a>(
         )
     });
 
+    let background = background.unwrap_or(&theme.background_color);
+    let font_size = font_size.unwrap_or(theme.label_medium);
+
     render!(
         div {
             position: "relative",
             width: "200px",
-            background: "#eeeeee",
+            background: "{background}",
             font_family: "sans-serif",
             border_bottom: "2px solid #999",
             label { onmounted: move |event| mounted.onmounted(event), "{label}" }
@@ -50,7 +57,7 @@ pub fn TextField<'a>(
                 value: *value,
                 padding: "10px 20px",
                 padding_top: "30px",
-                font_size: "16px",
+                font_size: "{font_size}px",
                 height: "34px",
                 border: "none",
                 outline: "none",
diff --git a/src/theme.rs b/src/theme.rs
index c40a379..8072413 100644
--- a/src/theme.rs
+++ b/src/theme.rs
@@ -3,16 +3,20 @@ use std::{borrow::Cow, rc::Rc};
 
 pub struct Theme {
     pub primary_color: Cow<'static, str>,
+    pub background_color: Cow<'static, str>,
     pub secondary_container_color: Cow<'static, str>,
     pub border_radius: Cow<'static, str>,
+    pub label_medium: f32,
 }
 
 impl Default for Theme {
     fn default() -> Self {
         Self {
             primary_color: Cow::Borrowed("#416529"),
+            background_color: Cow::Borrowed("#eeeeee"),
             secondary_container_color: Cow::Borrowed("#E8DEF8"),
             border_radius: Cow::Borrowed("25px"),
+            label_medium: 16.,
         }
     }
 }