added css file

Author: AlekhyaPoosapati

UI of Facebook/facebook.css

@@ -0,0 +1,72 @@
+.container
+{
+    display:flex;
+    justify-content:space-evenly;
+    margin-top:150px;
+   margin-left:auto;
+   margin-right:auto;
+    width:60%;
+}
+
+.heading 
+{
+    font-family:Helvetica;
+    color:#1877F2;
+    font-size:70px;
+    font-weight:400px;
+}
+
+.paragraph
+{
+    font-size:20px;
+}
+
+.right
+{
+    background-color:#fff;
+    display:flex;
+    flex-direction:column;
+    box-shadow:3px 3px 4px  #ccc;
+    padding:15px;
+    border-radius: 10px; 
+    width: 290px; 
+    height: 280px;
+}
+
+.inp
+{
+    padding:10px;
+    border-radius: 5px;
+    border:2px solid #ccc;
+}
+
+.log
+{
+    padding:15px;
+    background-color: #1877F2;
+    color:#fff;
+    font-weight:bold;
+    border:none;
+    border-radius:5px;
+  
+}
+
+.forget
+{
+    color:#AD8CF2;
+    text-align:center;
+    text-decoration:none;
+}
+
+.create
+{
+    padding:15px;
+    border:none;
+    border-radius:5px;
+    font-weight:bold;
+    background-color:#42B72A;
+    color:#fff;
+    margin-left:auto;
+    margin-right:auto;
+
+}