install bootstrap3 and imported css

package-lock.json

@@ -0,0 +1,27 @@
+{
+  "name": "angular",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "bootstrap": "^3.4.1"
+      }
+    },
+    "node_modules/bootstrap": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.1.tgz",
+      "integrity": "sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA==",
+      "engines": {
+        "node": ">=6"
+      }
+    }
+  },
+  "dependencies": {
+    "bootstrap": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/bootstrap/-/bootstrap-3.4.1.tgz",
+      "integrity": "sha512-yN5oZVmRCwe5aKwzRj6736nSmKDX7pLYwsXiCj/EYmo16hODaBiT4En5btW/jhBF/seV+XMx3aYwukYC3A49DA=="
+    }
+  }
+}

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "bootstrap": "^3.4.1"
+  }
+}

project1/angular.json

@@ -23,6 +23,7 @@
               "src/assets"
             ],
             "styles": [
+              "node_module/bootstrap/dist/css/bootstrap.min.css",
               "src/styles.css"
             ],
             "scripts": []