move all static assets into a single folder

src/assets/css/site.css

@@ -0,0 +1,93 @@
+body,
+html {
+    margin: 0;
+    padding: 0;
+    height: 100%
+}
+
+.backgroundContainer {
+    position: fixed;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    contain: strict
+}
+
+html {
+    line-height: 1.35
+}
+
+.layout-mobile,
+.layout-tv {
+    -webkit-touch-callout: none;
+    -webkit-user-select: none;
+    -khtml-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none
+}
+
+body {
+    overflow-x: hidden;
+    background-color: transparent !important;
+    -webkit-font-smoothing: antialiased
+}
+
+.mainAnimatedPage {
+    contain: style size !important
+}
+
+.pageContainer {
+    overflow-x: visible !important
+}
+
+.bodyWithPopupOpen {
+    overflow-y: hidden !important
+}
+
+div[data-role=page] {
+    outline: 0
+}
+
+.pageTitle {
+    margin-top: 0;
+    font-family: inherit
+}
+
+.fieldDescription {
+    padding-left: .15em;
+    font-weight: 400;
+    white-space: normal !important
+}
+
+.fieldDescription+.fieldDescription {
+    margin-top: .3em
+}
+
+.content-primary,
+.padded-bottom-page,
+.page,
+.pageWithAbsoluteTabs .pageTabContent {
+    /* provides room for the music controls */
+    padding-bottom: 5em !important;
+}
+
+@media all and (min-width:50em) {
+    .readOnlyContent,
+    form {
+        max-width: 54em
+    }
+}
+
+.headerHelpButton {
+    margin-left: 1.25em !important;
+    padding-bottom: .4em !important;
+    padding-top: .4em !important
+}
+
+.mediaInfoContent {
+    margin-left: auto;
+    margin-right: auto;
+    width: 85%
+}