make textarea height increased on focus, fix outlines

.env

@@ -19,7 +19,7 @@ APP_ENV=dev
 APP_SECRET=EDIT_ME
 ###< symfony/framework-bundle ###
 
-APP_VERSION=1.1.1
+APP_VERSION=1.2.0
 
 APP_NAME=KevaChat
 

public/css/default.css

@@ -71,7 +71,7 @@ main
     display: block;
     margin: 16px auto 0 auto;
     max-width: var(--container-max-width);
-    padding-bottom: 115px;
+    padding-bottom: 136px;
 }
 
 main > h2
@@ -149,6 +149,7 @@ footer > form
     margin: 16px auto;
     max-width: var(--container-max-width);
     overflow: hidden;
+    padding: 0 4px;
     width: 100%;
 }
 
@@ -162,6 +163,11 @@ footer > form > textarea
     width: 100%;
 }
 
+footer > form > textarea:focus
+{
+    min-height: 100px;
+}
+
 footer > form > button
 {
     cursor: pointer;