rework structure

layouts/default.vue

@@ -0,0 +1,21 @@
+<template>
+  <div class="dark:bg-dark-200 dark:text-white font-sans">
+    <Header />
+    <Nuxt class="z-10 pt-16 lg:pt-24 content"/>
+    <Footer />
+  </div>
+</template>
+
+<script>
+import Header from "~/components/Header";
+import Footer from "~/components/Footer";
+export default {
+  components: {Footer, Header}
+}
+</script>
+
+<style scoped>
+.content {
+  min-height: calc(100vh - 118px);
+}
+</style>