changed app structure to pure router-outlet and added login and register to routing

src/app/app.component.css

@@ -16,69 +16,6 @@ svg.material-icons:not(:last-child) {
   margin-right: 8px;
 }
 
-.card svg.material-icons path {
-  fill: #888;
-}
-
-.card-container {
-  display: flex;
-  flex-wrap: wrap;
-  justify-content: center;
-  /* margin-top: 16px; */
-}
-
-.card {
-  border-radius: 4px;
-  border: 1px solid #eee;
-  background-color: #fafafa;
-  height: 40px;
-  width: 200px;
-  margin: 0 8px 16px;
-  padding: 16px;
-  display: flex;
-  flex-direction: row;
-  justify-content: center;
-  align-items: center;
-  transition: all 0.2s ease-in-out;
-  line-height: 24px;
-}
-
-.card-container .card:not(:last-child) {
-  margin-right: 0;
-}
-
-.card.card-small {
-  height: 16px;
-  width: 168px;
-}
-
-.card-container .card:not(.highlight-card) {
-  cursor: pointer;
-}
-
-.card-container .card:not(.highlight-card):hover {
-  transform: translateY(-3px);
-  box-shadow: 0 4px 17px rgba(0, 0, 0, 0.35);
-}
-
-.card-container .card:not(.highlight-card):hover .material-icons path {
-  fill: rgb(105, 103, 103);
-}
-
-.card.highlight-card {
-  background-color: #1976d2;
-  color: white;
-  font-weight: 600;
-  border: none;
-  width: auto;
-  min-width: 30%;
-  position: relative;
-}
-
-.card.card.highlight-card span {
-  margin-left: 60px;
-}
-
 /* Responsive Styles */
 @media screen and (max-width: 767px) {
 
@@ -93,6 +30,10 @@ svg.material-icons:not(:last-child) {
 
 }
 
+.router {
+  height: 100%;
+}
+
 .chat {
   float: right;
   height: 100%;