docs: improve gradient

Author: atinux

docs/pages/index.vue

@@ -111,13 +111,12 @@ const providers = ['cloudflare', 'cloudimage', 'cloudinary', 'directus', 'edgio'
 <style scoped>
 .gradient {
   position: fixed;
-  top: 10rem;
+  top: 25vh;
   width: 100%;
   height: 30vh;
   background: radial-gradient(50% 50% at 50% 50%, #00DC82 0%, rgba(0, 220, 130, 0) 100%);
   filter: blur(180px);
-  opacity: 0.5;
+  opacity: 0.6;
   z-index: -1;
-  animation: colorChange 5s infinite alternate;
 }
 </style>