CSS: Add styles for graphite date and timepicker

refs #3676

public/css/icinga/forms.less

@@ -120,10 +120,13 @@ form input[type="text"],
 form input[type="password"],
 form input[type="number"],
 form input[type="datetime-local"],
+form input[type="date"],
+form input[type="time"],
 form textarea,
 form select {
   background-color: @low-sat-blue;
   flex: 1;
+  width: 0;
 }
 
 form input:not([type="checkbox"]),
@@ -426,3 +429,13 @@ input::-webkit-input-placeholder {
 .sort-control > * {
   display: inline-block;
 }
+
+/* Flyover form styles */
+
+.flyover-content form:not(.inline):not([role="search"]) {
+  width: auto;
+}
+
+.flyover-content .control-label-group {
+  text-align: left;
+}

public/css/icinga/widgets.less

@@ -366,6 +366,8 @@ ul.tree li a.error:hover {
     border: 1px solid @gray-lighter;
     box-shadow: 0 0 .5em 0 rgba(0, 0, 0, 0.2);
     position: absolute;
+    padding: @vertical-padding @horizontal-padding;
+    .rounded-corners();
   }
 
   &.flyover-arrow-top .flyover-content:before {