Add basic transaction link previews

frontend/src/app/components/transaction/transaction-preview.component.scss

@@ -0,0 +1,75 @@
+.adjust-btn-padding {
+  padding: 0.55rem;
+}
+
+.td-width {
+	width: 150px;
+}
+
+::ng-deep .badge {
+	font-size: 28px;
+}
+
+.btn-small-height {
+	line-height: 1.1;
+}
+
+.arrow-green {
+	color: #1a9436;
+}
+
+.arrow-red {
+	color: #dc3545;
+}
+
+.row {
+	flex-direction: row;
+}
+
+.effective-fee-container {
+	display: inline-block;
+}
+
+.title {
+  h2 {
+    line-height: 1;
+    margin: 0;
+    padding-bottom: 10px;
+  }
+}
+
+.btn-outline-info {
+	margin-top: 0px;
+}
+
+.page-title {
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 10px;
+
+  h1 {
+    font-size: 52px;
+    margin: 0;
+    line-height: 1;
+  }
+
+  .features {
+    font-size: 24px;
+  }
+}
+
+.table {
+  font-size: 32px;
+
+  ::ng-deep .symbol {
+    font-size: 24px;
+  }
+}
+
+.tx-link {
+  display: inline-block;
+  font-size: 28px;
+  margin-bottom: 6px;
+}