diff --git a/src/lib.rs b/src/lib.rs
index 7660ea3..bfe17d1 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,6 +7,7 @@ mod homework;
 mod marks;
 mod stdtype;
 mod subjects;
+mod themes;
 mod user;
 
 pub use absence::{Absence, AbsenceListItem, SubjectAbsence};
@@ -18,4 +19,5 @@ pub use homework::{Homework, HomeworkListItem};
 pub use marks::{Mark, Marks, SubjectMarks};
 pub use stdtype::StdType;
 pub use subjects::{Subject, Subjects};
+pub use themes::{Theme, Themes};
 pub use user::{Module, User};
diff --git a/src/themes.rs b/src/themes.rs
new file mode 100644
index 0000000..df95f58
--- /dev/null
+++ b/src/themes.rs
@@ -0,0 +1,20 @@
+use crate::StdType;
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Themes {
+    pub subject: StdType,
+    pub themes: Vec<Theme>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "PascalCase")]
+pub struct Theme {
+    pub date: DateTime<Utc>,
+    pub theme: String,
+    pub note: String,
+    pub hour_caption: String,
+    pub lesson_label: String,
+}
diff --git a/src/user.rs b/src/user.rs
index e3727b3..1f9e1df 100644
--- a/src/user.rs
+++ b/src/user.rs
@@ -18,7 +18,7 @@ pub struct User {
     pub study_year: u8,
     pub enabled_modules: Vec<Module>, //TODO: user SettingModules
     pub full_user_name: String,
-    pub students: Vec<Student>
+    pub students: Vec<Student>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -28,12 +28,11 @@ pub struct Module {
     pub rights: Vec<String>,
 }
 
-
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(rename_all = "PascalCase")]
-pub struct Student{
+pub struct Student {
     full_name: String,
     class: Vec<StdType>,
     school_type: String,
-    study_year: u8
-}
\ No newline at end of file
+    study_year: u8,
+}
diff --git a/tracker.md b/tracker.md
index e98a507..b5f39e8 100644
--- a/tracker.md
+++ b/tracker.md
@@ -12,7 +12,7 @@
 - [ ]  payments
 - [x]  subjects
 - [ ]  substitutions
-- [ ]  themes
+- [x]  themes
 - [ ]  timetable
 - [x]  user
 - [ ]  user SettingModules