diff --git a/changelog.txt b/changelog.txt
index dfded9f2..3ac669cc 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -9,6 +9,7 @@ TGUI 0.8.5  (TBD)
 - Added functions to ListView to change existing items
 - Support typing tabs in TextBox (if tab usage is disabled in gui)
 - Added function to signals to temporarily disable callbacks
+- Added addition and subtraction operators to Outline
 - ChildWindow can now have a different border color in focused state
 - Added function to select item in TreeView
 - EditBox::setInputValidator now returns false when regex was invalid
diff --git a/include/TGUI/Outline.hpp b/include/TGUI/Outline.hpp
index 94dc7923..ead20c5d 100644
--- a/include/TGUI/Outline.hpp
+++ b/include/TGUI/Outline.hpp
@@ -190,6 +190,61 @@ namespace tgui
         }
 
 
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// @brief Adds two outlines together (e.g. to add padding and borders)
+        ///
+        /// @param other  The outline to add together with this instance
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        TGUI_CONSTEXPR Outline operator+(const Outline& other) const
+        {
+            return {getLeft() + other.getLeft(),
+                    getTop() + other.getTop(),
+                    getRight() + other.getRight(),
+                    getBottom() + other.getBottom()};
+        }
+
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// @brief Subtracts two outlines from each other
+        ///
+        /// @param other  The outline to subtract from this instance
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        TGUI_CONSTEXPR Outline operator-(const Outline& other) const
+        {
+            return {getLeft() - other.getLeft(),
+                    getTop() - other.getTop(),
+                    getRight() - other.getRight(),
+                    getBottom() - other.getBottom()};
+        }
+
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// @brief Adds an outline to this instance (e.g. to add padding and borders)
+        ///
+        /// @param other  The outline to add to this instance
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        TGUI_CONSTEXPR Outline& operator+=(const Outline& other)
+        {
+            m_left = getLeft() + other.getLeft();
+            m_top = getTop() + other.getTop();
+            m_right = getRight() + other.getRight();
+            m_bottom = getBottom() + other.getBottom();
+            return *this;
+        }
+
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        /// @brief Subtracts an outline from this instance
+        ///
+        /// @param other  The outline to subtract from this instance
+        /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+        TGUI_CONSTEXPR Outline& operator-=(const Outline& other)
+        {
+            m_left = getLeft() - other.getLeft();
+            m_top = getTop() - other.getTop();
+            m_right = getRight() - other.getRight();
+            m_bottom = getBottom() - other.getBottom();
+            return *this;
+        }
+
+
         /////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
         /// @internal
         /// @brief Update the size to which the outline depends on if its values are relative
diff --git a/tests/Outline.cpp b/tests/Outline.cpp
index a34176f3..7a8624a6 100644
--- a/tests/Outline.cpp
+++ b/tests/Outline.cpp
@@ -130,6 +130,53 @@ TEST_CASE("[Outline]")
             REQUIRE(!(outline1 != outline4));
             REQUIRE(!(outline4 != outline4));
         }
+
+        SECTION("+")
+        {
+            REQUIRE(outline1 + outline3 == tgui::Outline{7, 9, 11, 13});
+            REQUIRE(outline4 + outline4 == tgui::Outline{2, 4, 6, 8});
+
+            REQUIRE(outline1 + outline3 == outline3 + outline1);
+        }
+
+        SECTION("-")
+        {
+            REQUIRE(outline1 - outline3 == tgui::Outline{-5, -5, -5, -5});
+            REQUIRE(outline3 - outline1 == tgui::Outline{5, 5, 5, 5});
+            REQUIRE(outline4 - outline4 == tgui::Outline{0, 0, 0, 0});
+        }
+
+        SECTION("+=")
+        {
+            outline1 += outline3;
+            REQUIRE(outline1 == tgui::Outline{7, 9, 11, 13});
+
+#if defined(__GNUC__)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wself-assign-overloaded"
+#endif
+            outline4 += outline4;
+#if defined(__GNUC__)
+    #pragma GCC diagnostic pop
+#endif
+            REQUIRE(outline4 == tgui::Outline{2, 4, 6, 8});
+        }
+
+        SECTION("-=")
+        {
+            outline1 -= outline3;
+            REQUIRE(outline1 == tgui::Outline{-5, -5, -5, -5});
+
+#if defined(__GNUC__)
+    #pragma GCC diagnostic push
+    #pragma GCC diagnostic ignored "-Wself-assign-overloaded"
+#endif
+            outline4 -= outline4;
+#if defined(__GNUC__)
+    #pragma GCC diagnostic pop
+#endif
+            REQUIRE(outline4 == tgui::Outline{0, 0, 0, 0});
+        }
     }
 
     SECTION("toString")