diff --git a/tools/index.php b/tools/index.php
index ded78d7..8bbf374 100644
--- a/tools/index.php
+++ b/tools/index.php
@@ -9,7 +9,7 @@
 <div class="container">
   <header>
     <a href="javascript:history.back()" target="_blank">
-      <img class="logo" src="fluidsim/img/logo.png" alt="Logo">
+      <img class="logo" src="fluidsim/img/favicon.png" alt="Logo">
     </a>
     <h1 class="title">WhyKorp</h1>
   </header>
diff --git a/tools/style.css b/tools/style.css
index 81dd4c2..2989d8e 100644
--- a/tools/style.css
+++ b/tools/style.css
@@ -1,42 +1,85 @@
 body {
-    font-family: 'Noto Sans', sans-serif;
-    background-color: #333;
-    color: #fff;
-};
-div.container {
-    width: 80%;
-    margin: auto;
-    border: 2px solid #d63209;
-    border-radius: 25px;
-    padding: 20px;
-    background-color: #444;
-};
-header {
-    text-align: left;
+  font-family: 'Noto Sans', sans-serif;
+  background-color: #333;
+  color: #fff;
+}
+.container {
+  width: 80%;
+  margin: auto;
+  border: 2px solid #2ecc71;
+  border-radius: 25px;
+  padding: 20px;
+  background-color: #444;
+}
+.nav a {
+  text-decoration: none;
+  color: #fff;
+  padding: 10px 20px;
+  border: 2px solid #2ecc71;
+  border-radius: 25px;
+  background-color: #333;
+  transition: all 0.3s ease-in-out;
+}
+.nav a:hover {
+  background-color: #2ecc71;
+  color: #333;
+  cursor: pointer;
+  transition: all 0.3s ease-in-out;
 }
 
-  .logo {
-    height: 60px;
-    width: 60px;
-    display: inline-block;
-    vertical-align: middle;
-    margin-right: 10px;
-  }
-  .title {
-    display: inline-block;
-    font-size: 48px;
-    line-height: 60px;
-    vertical-align: middle;
-  }
-  
-  div.footer {
-    width: 80%;
-    margin: auto;
-    border: 2px solid #d63209;
-    border-radius: 25px;
-    padding: 20px;
-    background-color: #444;
-    display: flex;
-    justify-content: center;
-    align-items: center;
-  }
\ No newline at end of file
+.video-container {
+  width: 80%;
+  margin: 20px auto;
+  border: 2px solid #2ecc71;
+  border-radius: 25px;
+  overflow: hidden;
+  padding-bottom: 56.25%;
+  position: relative;
+}
+.video-container iframe {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+}
+
+header {
+  text-align: left;
+}
+.logo {
+  height: 60px;
+  width: 60px;
+  display: inline-block;
+  vertical-align: middle;
+  margin-right: 10px;
+}
+.title {
+  display: inline-block;
+  font-size: 48px;
+  line-height: 60px;
+  vertical-align: middle;
+}
+
+div.footer {
+  width: 80%;
+  margin: auto;
+  border: 2px solid #2ecc71;
+  border-radius: 25px;
+  padding: 20px;
+  background-color: #444;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+img.flash {
+  display: inline-block;
+  width: 128px;
+  transition: 0.4s;
+};
+
+img.flash:hover {
+  transition: 0.4s;
+  width: 800px
+};
\ No newline at end of file