Add default.css from microG site

Author: petefoth

docs/css/default.css

@@ -0,0 +1,99 @@
+/* Sticky footer styles
+-------------------------------------------------- */
+html {
+    position: relative;
+    min-height: 100%;
+}
+
+body {
+    /* Margin bottom by footer height */
+    margin-bottom: 90px;
+}
+
+.footer {
+    position: absolute;
+    bottom: 0;
+    width: 100%;
+    /* Set the fixed height of the footer here */
+    height: 60px;
+    background-color: #f5f5f5;
+}
+
+/* Custom page CSS
+-------------------------------------------------- */
+/* Not required for template or sticky footer method. */
+
+.container {
+    width: auto;
+    max-width: 750px;
+    /*padding: 0 15px;*/
+}
+
+.jumbotron > h1 {
+    color: rgba(0, 0, 0, 0.55)
+}
+
+.jumbotron > h1 > img {
+    vertical-align: inherit;
+    height: 64px;
+    margin-bottom: -4px;
+}
+
+.jumbotron {
+    text-align: center;
+}
+
+.main-offset {
+    padding-top: 75px;
+}
+
+.container .text-muted {
+    margin: 20px 0;
+}
+
+.navbar-nav img {
+    vertical-align: text-bottom;
+}
+
+.fdroid-repo-desc > .row > div {
+    padding: 20px;
+}
+
+.fdroid-repo-desc span.key {
+    color: #999;
+    display: block;
+}
+
+.fdroid-repo-desc span.val {
+    display: block;
+    padding-bottom: 10px;
+}
+
+.fdroid-dl-app {
+    margin-bottom: 10px;
+}
+
+.fdroid-dl-app span.name {
+    display: block;
+    margin-top: 5px;
+    font-weight: bold;
+}
+.fdroid-dl-app span.pname {
+    display: block;
+    color: #999;
+    margin-bottom: 5px;
+}
+
+.fdroid-dl-app p {
+    margin: 0;
+}
+
+.btn-dl {
+    height: 48px;
+}
+
+.btn-dl span.ver {
+    display: block;
+    color: #999;
+    font-size: 80%;
+}