Make it more mobile-friendly and add page loader.

content/assets/css/loader.css

@@ -0,0 +1,48 @@
+@import url("theme.css");
+
+/*****************************
+* LOADER
+* Styling for the page loader.
+*****************************/
+
+* {
+     margin: 0;
+     padding: 0;
+     box-sizing: border-box;
+}
+
+body {
+     background-color: var(--neutral-grey);
+}
+
+.page-loader {
+     position: fixed;
+     top: 0;
+     left: 0;
+     width: 100%;
+     height: 100%;
+     background-color: var(--neutral-grey);
+     display: flex;
+     justify-content: center;
+     align-items: center;
+     z-index: 9999;
+     opacity: 1;
+     transition: opacity 0.5s ease-in-out;
+}
+
+.page-loader.hidden {
+     opacity: 0;
+     pointer-events: none;
+}
+
+.loader-gif {
+     width: 120px;
+     height: auto;
+}
+
+/*
+main {
+     padding: 40px;
+     max-width: 800px;
+     margin: 0 auto;
+} */