diff --git a/README.md b/README.md
index f4fb913..48ecb6d 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ This is an arduino sketch to make an IR-remote control for easier title renaming
 
 Store WiFi secrets in a secrets.h like this:
 
-```
+```c
 #define SSID      "your-ssid"
 #define PASSWORD  "your-password"
-```
\ No newline at end of file
+```
diff --git a/sd-card/style.css b/sd-card/style.css
deleted file mode 100644
index 0bc6915..0000000
--- a/sd-card/style.css
+++ /dev/null
@@ -1,137 +0,0 @@
-:root {
-    --main-bg-color: #212121;
-  }
-  
-  body {
-    background-color: var(--main-bg-color);
-    display: flex;
-    flex-direction: column;
-    align-items: center;
-    font-family: Verdana, Geneva, Tahoma, sans-serif;
-  }
-  h2 {
-    color: white;
-  }
-  p {
-    color: white;
-  }
-  
-  textarea {
-    width: 100%;
-    height: 150px;
-    padding: 12px 20px;
-    box-sizing: border-box;
-    border: 2px solid #ccc;
-    border-radius: 4px;
-    background-color: #f8f8f8;
-    font-size: 16px;
-    resize: none;
-  }
-  
-  button {
-    background-color: #454545;
-    border: none;
-    border-radius: 4px;
-    color: white;
-    text-align: center;
-    text-decoration: none;
-    display: inline-flex;
-    font-size: 16px;
-    cursor: pointer;
-    justify-content: center;
-    align-items: center;
-    box-shadow: 2px 2px black;
-    height: 42px;
-    width: 48px;
-  }
-  
-  button:active {
-    -webkit-box-shadow: inset 0px 0px 2px black;
-       -moz-box-shadow: inset 0px 0px 2px black;
-            box-shadow: inset 0px 0px 2px black;
-     outline: none;
-  }
-
-  .text-white {
-    color: white;
-  }
-  .text-orange {
-    color: orange;
-  }
-
-  .text-with-line {
-    text-transform: uppercase;
-    display: flex; 
-    flex-direction: row; 
-  }
-
-  .text-with-line:before, 
-  .text-with-line:after { 
-            content: ""; 
-            flex: 1 1; 
-            border-bottom: 2px solid currentColor; 
-            margin: auto 5px; 
-        } 
-  
-  .smallbutton {
-    height: 28px;
-    width: 56px;
-    background-color: #8a8a8a;
-    font-size: 12px;
-  }
-  
-  .roundbutton {
-    border-radius: 50%;
-    width: 26px;
-    height: 26px;
-  }
-  
-  .upper-buttonbox {
-    margin-top: 8px;
-    margin-bottom: 8px;
-    border-radius: 8px;
-    background-color: #4d4d4d;
-    padding: 8px;
-    display: flex;
-    gap: 12px;
-    border: 2px solid grey;
-    border-bottom-color: black;
-    border-right-color: black; 
-  }
-  
-  .lower-buttonbox {
-    margin-top: 8px;
-    margin-bottom: 8px;
-    border-radius: 8px;
-    background-color: #333333;
-    padding: 8px;
-    display: flex;
-    gap: 12px;
-    border: 2px solid grey;
-    border-bottom-color: black;
-    border-right-color: black; 
-  }
-  
-  .textinput-wrapper {
-    display: flex;
-    flex-direction: column;
-    gap: 12px;
-    margin-top: 8px;
-    margin-bottom: 8px;
-    color: white;
-  }
-
-  .textinput {
-    width: 100%;
-    padding: 12px 20px;
-    box-sizing: border-box;
-    border: 2px solid #ccc;
-    border-radius: 4px;
-    background-color: #f8f8f8;
-    font-size: 16px;
-    resize: none;
-  }
-  
-  .headline {
-    text-align: center;
-  }