diff --git a/package-lock.json b/package-lock.json
index 17b3bda..7c422b0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,7 @@
         "react": "^18.3.1",
         "react-dom": "^18.3.1",
         "react-router-dom": "^7.0.2",
+        "react-tooltip": "^5.28.0",
         "styled-components": "^6.1.13",
         "vite-plugin-svgr": "^4.3.0"
       },
@@ -796,6 +797,28 @@
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
       }
     },
+    "node_modules/@floating-ui/core": {
+      "version": "1.6.9",
+      "resolved": "https://registry.npmjs.org/@floating-ui/core/-/core-1.6.9.tgz",
+      "integrity": "sha512-uMXCuQ3BItDUbAMhIXw7UPXRfAlOAvZzdK9BWpE60MCn+Svt3aLn9jsPTi/WNGlRUu2uI0v5S7JiIUsbsvh3fw==",
+      "dependencies": {
+        "@floating-ui/utils": "^0.2.9"
+      }
+    },
+    "node_modules/@floating-ui/dom": {
+      "version": "1.6.13",
+      "resolved": "https://registry.npmjs.org/@floating-ui/dom/-/dom-1.6.13.tgz",
+      "integrity": "sha512-umqzocjDgNRGTuO7Q8CU32dkHkECqI8ZdMZ5Swb6QAM0t5rnlrN3lGo1hdpscRd3WS8T6DKYK4ephgIH9iRh3w==",
+      "dependencies": {
+        "@floating-ui/core": "^1.6.0",
+        "@floating-ui/utils": "^0.2.9"
+      }
+    },
+    "node_modules/@floating-ui/utils": {
+      "version": "0.2.9",
+      "resolved": "https://registry.npmjs.org/@floating-ui/utils/-/utils-0.2.9.tgz",
+      "integrity": "sha512-MDWhGtE+eHw5JW7lq4qhc5yRLS11ERl1c7Z6Xd0a58DozHES6EnNNwUWbMiG4J9Cgj053Bhk8zvlhFYKVhULwg=="
+    },
     "node_modules/@humanfs/core": {
       "version": "0.19.1",
       "resolved": "https://registry.npmjs.org/@humanfs/core/-/core-0.19.1.tgz",
@@ -1818,6 +1841,11 @@
         "url": "https://github.com/chalk/chalk?sponsor=1"
       }
     },
+    "node_modules/classnames": {
+      "version": "2.5.1",
+      "resolved": "https://registry.npmjs.org/classnames/-/classnames-2.5.1.tgz",
+      "integrity": "sha512-saHYOzhIQs6wy2sVxTM6bUDsQO4F50V9RQ22qBpEdCW+I+/Wmke2HOl6lS6dTpdxVhb88/I6+Hs+438c3lfUow=="
+    },
     "node_modules/clsx": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/clsx/-/clsx-2.1.1.tgz",
@@ -3837,6 +3865,19 @@
         "react-dom": ">=18"
       }
     },
+    "node_modules/react-tooltip": {
+      "version": "5.28.0",
+      "resolved": "https://registry.npmjs.org/react-tooltip/-/react-tooltip-5.28.0.tgz",
+      "integrity": "sha512-R5cO3JPPXk6FRbBHMO0rI9nkUG/JKfalBSQfZedZYzmqaZQgq7GLzF8vcCWx6IhUCKg0yPqJhXIzmIO5ff15xg==",
+      "dependencies": {
+        "@floating-ui/dom": "^1.6.1",
+        "classnames": "^2.3.0"
+      },
+      "peerDependencies": {
+        "react": ">=16.14.0",
+        "react-dom": ">=16.14.0"
+      }
+    },
     "node_modules/reflect.getprototypeof": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/reflect.getprototypeof/-/reflect.getprototypeof-1.0.9.tgz",
diff --git a/package.json b/package.json
index 5caff60..86c8ef5 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,7 @@
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-router-dom": "^7.0.2",
+    "react-tooltip": "^5.28.0",
     "styled-components": "^6.1.13",
     "vite-plugin-svgr": "^4.3.0"
   },
diff --git a/src/components/TallContent.jsx b/src/components/TallContent.jsx
index 6395bbd..876d5b8 100644
--- a/src/components/TallContent.jsx
+++ b/src/components/TallContent.jsx
@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React, { useState, useEffect, useRef } from "react";
 import "../css/TallContent.css";
 import { useTheme } from "../Context/ThemeContext";
 import { useLang } from "../Context/LangContext";
@@ -7,14 +7,105 @@ const TallContent = ({ initialAnimation, onMouseEnter, onAnimationEnd }) => {
   const [animation, setAnimation] = useState(initialAnimation);
   const { colormode } = useTheme();
   const { language } = useLang();
+  const canvasRef = useRef(null);
+
+  const speedFactor = 0.2; // Geschwindigkeit anpassen: kleiner = langsamer, größer = schneller
+
+  useEffect(() => {
+    const canvas = canvasRef.current;
+    const ctx = canvas.getContext("2d");
+
+    canvas.width = canvas.parentElement.offsetWidth;
+    canvas.height = canvas.parentElement.offsetHeight;
+
+    const particles = Array.from({ length: 50 }, () => ({
+      x: Math.random() * canvas.width,
+      y: Math.random() * canvas.height,
+      radius: Math.random() * 4 + 1,
+      dx: (Math.random() * 0.5 - 0.25) * speedFactor,
+      dy: (Math.random() * 0.5 - 0.25) * speedFactor,
+      color: `hsl(${Math.random() * 360}, 70%, 70%)`,
+    }));
+
+    const starFieldEffect = () => {
+      ctx.clearRect(0, 0, canvas.width, canvas.height);
+
+      ctx.fillStyle = "rgba(0, 0, 0, 0.1)";
+      ctx.fillRect(0, 0, canvas.width, canvas.height);
+
+      particles.forEach((particle) => {
+        particle.x += particle.dx;
+        particle.y += particle.dy;
+
+        // Warp particles when they leave canvas
+        if (particle.x < 0) particle.x = canvas.width;
+        if (particle.x > canvas.width) particle.x = 0;
+        if (particle.y < 0) particle.y = canvas.height;
+        if (particle.y > canvas.height) particle.y = 0;
+
+        ctx.beginPath();
+        ctx.arc(particle.x, particle.y, particle.radius, 0, Math.PI * 2);
+        ctx.fillStyle = particle.color;
+        ctx.fill();
+      });
+
+      requestAnimationFrame(starFieldEffect);
+    };
+
+    starFieldEffect();
+
+    canvas.addEventListener("mousemove", (e) => {
+      const rect = canvas.getBoundingClientRect();
+      const mouseX = e.clientX - rect.left;
+      const mouseY = e.clientY - rect.top;
+
+      particles.forEach((particle) => {
+        const dx = particle.x - mouseX;
+        const dy = particle.y - mouseY;
+        const distance = Math.sqrt(dx * dx + dy * dy);
+
+        if (distance < 150) {
+          const force = (150 - distance) / 150;
+          particle.dx += (dx / distance) * force * -0.05;
+          particle.dy += (dy / distance) * force * -0.05;
+        }
+      });
+    });
+
+    canvas.addEventListener("click", (e) => {
+      const rect = canvas.getBoundingClientRect();
+      const mouseX = e.clientX - rect.left;
+      const mouseY = e.clientY - rect.top;
+
+      particles.forEach((particle) => {
+        const dx = particle.x - mouseX;
+        const dy = particle.y - mouseY;
+        const distance = Math.sqrt(dx * dx + dy * dy);
+
+        if (distance < 200) {
+          const force = (200 - distance) / 200;
+          particle.dx += (dx / distance) * force * 1.5;
+          particle.dy += (dy / distance) * force * 1.5;
+        }
+      });
+    });
+
+    const handleResize = () => {
+      canvas.width = canvas.parentElement.offsetWidth;
+      canvas.height = canvas.parentElement.offsetHeight;
+    };
+
+    window.addEventListener("resize", handleResize);
+    return () => window.removeEventListener("resize", handleResize);
+  }, [speedFactor]);
 
   return (
     <div
       className={`container tallContent animate__animated ${animation} ${colormode}`}
-      onMouseEnter={() => onMouseEnter(setAnimation)}
-      onAnimationEnd={() => onAnimationEnd(setAnimation)}
+/*       onMouseEnter={() => onMouseEnter(setAnimation)}
+ */      onAnimationEnd={() => onAnimationEnd(setAnimation)}
     >
-      TallContent
+      <canvas ref={canvasRef} className="particleCanvas"></canvas>
     </div>
   );
 };
diff --git a/src/components/TechStack.jsx b/src/components/TechStack.jsx
index db918a4..7c4a124 100644
--- a/src/components/TechStack.jsx
+++ b/src/components/TechStack.jsx
@@ -17,16 +17,14 @@ import Linux from "../assets/icons/skill-icons/icons/Linux-Dark.svg?react";
 
 import "../css/TechStack.css";
 import { Link } from "react-router-dom";
-import "animate.css";
 import { useTheme } from "../Context/ThemeContext";
 import { useLang } from "../Context/LangContext";
 
 const TechStack = ({
   initialAnimation,
-  /* onMouseEnter, */
   onAnimationEnd,
   isExpanded,
-  onExpandToggle, // Receive the handler as a prop
+  onExpandToggle,
 }) => {
   const techStack = [
     { name: "React", component: ReactIcon, className: "reactIcon", id: 1 },
@@ -99,6 +97,7 @@ const TechStack = ({
   const [animation, setAnimation] = useState(initialAnimation);
   const { colormode } = useTheme();
   const { language } = useLang();
+
   return (
     <div
       className={clsx(
@@ -107,20 +106,20 @@ const TechStack = ({
         colormode === "light" ? "light" : "dark",
         "animate__animated",
         animation,
-        { expanded: isExpanded } // Conditional class
+        { expanded: isExpanded }
       )}
-      /*   onMouseEnter={() => onMouseEnter(setAnimation)} */
       onAnimationEnd={() => onAnimationEnd(setAnimation)}
     >
       <h2>Tech Stack</h2>
       <div className="techStack">
         {techStack
-          .filter((tech) => isExpanded || !tech.needExpand) // Filter based on isExpanded
+          .filter((tech) => isExpanded || !tech.needExpand)
           .map((tech) => {
             const IconComponent = tech.component;
             return (
-              <div key={tech.id} className="techStackItem">
+              <div key={tech.id} className="techStackItem tooltip">
                 <IconComponent className={`techIcon ${tech.className}`} />
+                <span className="tooltipText">{tech.name}</span>
               </div>
             );
           })}
diff --git a/src/css/Navigation.css b/src/css/Navigation.css
index aede446..6a193f7 100644
--- a/src/css/Navigation.css
+++ b/src/css/Navigation.css
@@ -5,12 +5,17 @@
 .navList {
   display: flex;
   flex-direction: column;
-  justify-content: space-around;
+  justify-content: start;
   align-items: center;
+  gap: 2.5rem;
   list-style-type: none;
   height: 100%;
 }
 
+.navItem:last-child {
+  margin-top: auto;
+}
+
 .navItem {
   font-size: 1.5rem;
   width: 100%;
diff --git a/src/css/TallContent.css b/src/css/TallContent.css
index 8a28ade..f25c1e3 100644
--- a/src/css/TallContent.css
+++ b/src/css/TallContent.css
@@ -1,3 +1,12 @@
 .tallContent {
   grid-area: 1 / 5 / 8 / 9;
+  position: relative;
 }
+
+.particleCanvas {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
\ No newline at end of file
diff --git a/src/css/TechStack.css b/src/css/TechStack.css
index 2c0463f..4a54de3 100644
--- a/src/css/TechStack.css
+++ b/src/css/TechStack.css
@@ -72,3 +72,42 @@
 .techStackContainer.expanded {
   max-height: 600px; /* Expanded max-height */
 }
+
+.react-tooltip {
+  background-color: #333;
+  color: #fff;
+  font-size: 0.9rem;
+  border-radius: 4px;
+  padding: 5px 10px;
+}
+
+/* Tooltip container */
+.tooltip {
+  position: relative;
+  display: inline-block;
+}
+
+/* Tooltip text */
+.tooltipText {
+  visibility: hidden;
+  background-color: #333;
+  color: #fff;
+  text-align: center;
+  border-radius: 5px;
+  padding: 5px 10px;
+  position: absolute;
+  z-index: 1;
+  top: 90%; /* Position above the element */
+  left: 50%;
+  transform: translateX(-50%);
+  opacity: 0;
+  transition: opacity 0.3s;
+  font-size: 0.8rem;
+  white-space: nowrap;
+}
+
+/* Show the tooltip on hover */
+.tooltip:hover .tooltipText {
+  visibility: visible;
+  opacity: 1;
+}