adjust css

frontend/src/pages/login/Login.css

@@ -1,19 +1,38 @@
 .login-page {
-  min-height: 100vh;
-  background-image: url(/ping.png);
-  background-size: 67%;
-  background-position: center;
-  background-repeat: no-repeat;
+  position: relative;
+  width: 100vw;
+  height: 100vh;
+  overflow: hidden;
+  background-color: #000000;
+}
+
+.login-bg-video {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  min-width: 100%;
+  min-height: 100%;
+  width: auto;
+  height: auto;
+  transform: translate(-50%, -50%);
+  object-fit: cover;
+  z-index: 0;
+  filter: grayscale(85%);
+  -webkit-filter: grayscale(85%);
+  opacity: 0.06;
 }
 
 .login-card {
+  position: relative;
+  z-index: 1;
   max-width: 400px;
-  margin: 20px auto;
+  margin: 0 auto;
   padding: 2rem;
   padding-top: 8rem;
   border: 1px solid var(--color-border-light);
   border-radius: var(--radius-xl);
   background-color: rgba(0, 0, 0, 0.75);
+  top: 20px;
 }
 
 .login-heading {
@@ -32,7 +51,6 @@
   padding: 0.75rem;
   font-size: 1.2rem;
   margin-top: 16px;
-  ;
 }
 
 .login-footer {

frontend/src/pages/login/Login.jsx

@@ -36,6 +36,16 @@ export default function Login() {
 
   return (
     <div className="login-page">
+      <video
+        autoPlay
+        loop
+        muted
+        playsInline
+        className="login-bg-video"
+      >
+        <source src="/koin_spin.mp4" type="video/mp4" />
+      </video>
+
       <div className="login-card" onMouseEnter={() => setIsVisible(true)}>
         <h1 className="login-heading">
           <span className="login-brand">Koin Ping</span> - Login