diff --git a/style.css b/style.css
index b1e46a0..df397e9 100644
--- a/style.css
+++ b/style.css
@@ -1,8 +1,15 @@
 
-html, body {
-    height: 100%;
-    margin: 0;
-    padding: 0;
+* {
+    box-sizing: border-box;
+    margin:0;
+    padding:0;
+}
+html {
+    height: 100vh;
+    height:100dvh;
+  }
+body {
+    min-height: 100%;
   }
 
   #main-container {
@@ -38,17 +45,3 @@ html, body {
     justify-content: center;
     align-items: center;
   }
-
-  .flash {
-  opacity: 1;
-  transition: opacity 0.5s;
-  }
-
-  .flash:hover {
-  animation: flash-animation 1s infinite;
-  }
-
-  @keyframes flash-animation {
-  0%, 50%, 100% { opacity: 1; }
-  25%, 75% { opacity: 0; }
-  }
\ No newline at end of file