Update CSS minification

assets/css/pickadate/default.css

@@ -4,7 +4,7 @@
 /**
  * Note: the root picker element should *NOT* be styled more than what’s here.
  */
-.picker {
+.um .picker {
   font-size: 16px;
   text-align: left;
   line-height: 1.2;
@@ -20,19 +20,19 @@
 /**
  * The picker input element.
  */
-.picker__input {
+.um .picker__input {
   cursor: default;
 }
 /**
  * When the picker is opened, the input element is “activated”.
  */
-.picker__input.picker__input--active {
+.um .picker__input.picker__input--active {
   border-color: #0089ec;
 }
 /**
  * The holder is the only “scrollable” top-level container element.
  */
-.picker__holder {
+.um .picker__holder {
   width: 100%;
   overflow-y: auto;
   -webkit-overflow-scrolling: touch;
@@ -48,8 +48,8 @@
 /**
  * Make the holder and frame fullscreen.
  */
-.picker__holder,
-.picker__frame {
+.um .picker__holder,
+.um .picker__frame {
   bottom: 0;
   left: 0;
   right: 0;
@@ -58,7 +58,7 @@
 /**
  * The holder should overlay the entire screen.
  */
-.picker__holder {
+.um .picker__holder {
   position: fixed;
   -webkit-transition: background 0.15s ease-out, top 0s 0.15s;
   -moz-transition: background 0.15s ease-out, top 0s 0.15s;
@@ -67,7 +67,7 @@
 /**
  * The frame that bounds the box contents of the picker.
  */
-.picker__frame {
+.um .picker__frame {
   position: absolute;
   margin: 0 auto;
   min-width: 256px;
@@ -82,7 +82,7 @@
   transition: all 0.15s ease-out;
 }
 @media (min-height: 33.875em) {
-  .picker__frame {
+  .um .picker__frame {
     overflow: visible;
     top: auto;
     bottom: -100%;
@@ -90,37 +90,37 @@
   }
 }
 @media (min-height: 40.125em) {
-	.picker__frame {
+	.um .picker__frame {
 		margin-bottom: 15% !important;
 	}
 }
 /**
  * The wrapper sets the stage to vertically align the box contents.
  */
-.picker__wrap {
+.um .picker__wrap {
   display: table;
   width: 100%;
   height: 100%;
 }
 @media (min-height: 33.875em) {
-  .picker__wrap {
+  .um .picker__wrap {
     display: block;
   }
 }
 /**
  * The box contains all the picker contents.
  */
-.picker__box {
+.um .picker__box {
   display: table-cell;
   vertical-align: middle;
 }
 @media (min-height: 26.5em) {
-  .picker__box {
+  .um .picker__box {
 
   }
 }
 @media (min-height: 33.875em) {
-  .picker__box {
+  .um .picker__box {
     display: block;
     -webkit-border-radius: 2px;
     -moz-border-radius: 2px;
@@ -128,7 +128,7 @@
   }
 }
 @media (min-height: 40.125em) {
-  .picker__box {
+  .um .picker__box {
 
     border-bottom-width: 1px;
     -webkit-border-radius: 2px;
@@ -139,7 +139,7 @@
 /**
  * When the picker opens...
  */
-.picker--opened .picker__holder {
+.um .picker--opened .picker__holder {
   top: 0;
   background: transparent;
   -ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#1E000000,endColorstr=#1E000000)";
@@ -149,7 +149,7 @@
   -moz-transition: background 0.15s ease-out;
   transition: background 0.15s ease-out;
 }
-.picker--opened .picker__frame {
+.um .picker--opened .picker__frame {
   top: 0;
   -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
   filter: alpha(opacity=100);
@@ -157,7 +157,7 @@
   opacity: 1;
 }
 @media (min-height: 33.875em) {
-  .picker--opened .picker__frame {
+  .um .picker--opened .picker__frame {
     top: auto;
     bottom: 0;
   }