diff --git a/packages/core/src/components/card-content/card-content.scss b/packages/core/src/components/card-content/card-content.scss
index 8201e48c79..4256f79615 100644
--- a/packages/core/src/components/card-content/card-content.scss
+++ b/packages/core/src/components/card-content/card-content.scss
@@ -5,7 +5,6 @@
 // --------------------------------------------------
 
 ion-card-content {
-  display: block;
-
   position: relative;
+  display: block;
 }
diff --git a/packages/core/src/components/card-header/card-header.scss b/packages/core/src/components/card-header/card-header.scss
index e5f9b665e4..d86bbb7b67 100644
--- a/packages/core/src/components/card-header/card-header.scss
+++ b/packages/core/src/components/card-header/card-header.scss
@@ -6,11 +6,10 @@
 
 
 ion-card-header {
+  position: relative;
   display: block;
   overflow: hidden;
 
   text-overflow: ellipsis;
   white-space: nowrap;
-
-  position: relative;
 }
diff --git a/packages/core/src/components/card-subtitle/card-subtitle.ios.scss b/packages/core/src/components/card-subtitle/card-subtitle.ios.scss
index dbd7d01350..1f16c42b89 100644
--- a/packages/core/src/components/card-subtitle/card-subtitle.ios.scss
+++ b/packages/core/src/components/card-subtitle/card-subtitle.ios.scss
@@ -39,8 +39,8 @@ $card-ios-subtitle-color:                rgba(0, 0, 0, 0.4) !default;
 
   font-size: $card-ios-subtitle-font-size;
   font-weight: $card-ios-subtitle-font-weight;
-  text-transform: $card-ios-subtitle-text-transform;
   letter-spacing: $card-ios-subtitle-letter-spacing;
+  text-transform: $card-ios-subtitle-text-transform;
   color: $card-ios-subtitle-color;
 }
 
diff --git a/packages/core/src/components/card-subtitle/card-subtitle.scss b/packages/core/src/components/card-subtitle/card-subtitle.scss
index 4746bbb0bd..7ca1e58b0b 100644
--- a/packages/core/src/components/card-subtitle/card-subtitle.scss
+++ b/packages/core/src/components/card-subtitle/card-subtitle.scss
@@ -5,7 +5,6 @@
 // --------------------------------------------------
 
 ion-card-subtitle {
-  display: block;
-
   position: relative;
+  display: block;
 }
diff --git a/packages/core/src/components/card-title/card-title.scss b/packages/core/src/components/card-title/card-title.scss
index 181be5fb01..8adbb3154c 100644
--- a/packages/core/src/components/card-title/card-title.scss
+++ b/packages/core/src/components/card-title/card-title.scss
@@ -5,7 +5,6 @@
 // --------------------------------------------------
 
 ion-card-title {
-  display: block;
-
   position: relative;
+  display: block;
 }
diff --git a/packages/core/src/components/card/card.scss b/packages/core/src/components/card/card.scss
index bade41dd71..84c01a5949 100755
--- a/packages/core/src/components/card/card.scss
+++ b/packages/core/src/components/card/card.scss
@@ -5,8 +5,8 @@
 
 
 ion-card {
-  display: block;
   position: relative;
+  display: block;
   overflow: hidden;
 }
 
diff --git a/packages/core/src/components/loading/loading.tsx b/packages/core/src/components/loading/loading.tsx
index b09a6cea9f..5343b68e6f 100644
--- a/packages/core/src/components/loading/loading.tsx
+++ b/packages/core/src/components/loading/loading.tsx
@@ -183,10 +183,7 @@ export class Loading {
   }
 
   protected render() {
-    let userCssClass = 'loading-content';
-    if (this.cssClass) {
-      userCssClass += ' ' + this.cssClass;
-    }
+    // TODO: cssClass
 
     const loadingInner: any[] = [];
 
@@ -239,4 +236,4 @@ export interface LoadingEvent extends Event {
   };
 }
 
-export { iOSEnterAnimation, iOSLeaveAnimation }
+export { iOSEnterAnimation, iOSLeaveAnimation };
diff --git a/packages/core/src/components/menu-controller/menu-controller.ts b/packages/core/src/components/menu-controller/menu-controller.ts
index 88265388d2..150c81412d 100644
--- a/packages/core/src/components/menu-controller/menu-controller.ts
+++ b/packages/core/src/components/menu-controller/menu-controller.ts
@@ -261,4 +261,4 @@ export class MenuController {
 
 }
 
-export { MenuOverlayAnimation, MenuPushAnimation, MenuRevealAnimation }
\ No newline at end of file
+export { MenuOverlayAnimation, MenuPushAnimation, MenuRevealAnimation };
diff --git a/packages/core/src/components/picker/picker.ios.scss b/packages/core/src/components/picker/picker.ios.scss
index 99bcbc142d..dc0ab50425 100644
--- a/packages/core/src/components/picker/picker.ios.scss
+++ b/packages/core/src/components/picker/picker.ios.scss
@@ -115,7 +115,7 @@ $picker-ios-option-offset-y:                   (($picker-ios-height - $picker-io
   font-weight: $picker-ios-button-strong-font-weight;
 }
 
-.picker-ios .picker-toolbar-button:first-child{
+.picker-ios .picker-toolbar-button:first-child {
   @include text-align(start);
 
   font-weight: normal;
@@ -128,10 +128,9 @@ $picker-ios-option-offset-y:                   (($picker-ios-height - $picker-io
 
   height: $picker-ios-button-height;
 
+  font-size: $picker-ios-button-font-size;
   color: $picker-ios-button-text-color;
   background: $picker-ios-button-background-color;
-
-  font-size: $picker-ios-button-font-size;
 }
 
 .picker-columns {
@@ -161,6 +160,11 @@ $picker-ios-option-offset-y:                   (($picker-ios-height - $picker-io
 }
 
 .picker-ios .picker-opt {
+  @include padding(
+    $picker-ios-option-padding-top,
+    $picker-ios-option-padding-end,
+    $picker-ios-option-padding-bottom,
+    $picker-ios-option-padding-start);
   @include margin(0);
   @include transform-origin(center, center);
 
@@ -177,8 +181,6 @@ $picker-ios-option-offset-y:                   (($picker-ios-height - $picker-io
   backface-visibility: hidden;
 
   pointer-events: auto;
-
-  @include padding($picker-ios-option-padding-top, $picker-ios-option-padding-end, $picker-ios-option-padding-bottom, $picker-ios-option-padding-start);
 }
 
 .picker-ios .picker-above-highlight {
@@ -216,4 +218,4 @@ $picker-ios-option-offset-y:                   (($picker-ios-height - $picker-io
   background: linear-gradient(to top,
                            rgba($picker-ios-background-color, 1) 30%,
                            rgba($picker-ios-background-color, .7) 100%);
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/components/picker/picker.md.scss b/packages/core/src/components/picker/picker.md.scss
index 9790b3acb6..02ae10fd1e 100644
--- a/packages/core/src/components/picker/picker.md.scss
+++ b/packages/core/src/components/picker/picker.md.scss
@@ -93,17 +93,15 @@ $picker-md-option-selected-color:             color($colors-md, primary) !defaul
 .picker-md .picker-button,
 .picker-md .picker-button.activated {
   @include margin(0);
+  @include padding(0, 1.1em);
 
   height: $picker-md-button-height;
 
-  color: $picker-md-button-text-color;
-  background: $picker-md-button-background-color;
-
   font-size: $picker-md-button-font-size;
   font-weight: 500;
   text-transform: uppercase;
-  padding: 0 1.1em;
-
+  color: $picker-md-button-text-color;
+  background: $picker-md-button-background-color;
   box-shadow: none;
 }
 
@@ -192,4 +190,4 @@ $picker-md-option-selected-color:             color($colors-md, primary) !defaul
   background: linear-gradient(to top,
                            rgba($picker-md-background-color, 1) 30%,
                            rgba($picker-md-background-color, .7) 100%);
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/components/picker/picker.tsx b/packages/core/src/components/picker/picker.tsx
index 4a8a916f51..c5c19c3b68 100644
--- a/packages/core/src/components/picker/picker.tsx
+++ b/packages/core/src/components/picker/picker.tsx
@@ -18,7 +18,6 @@ export class Picker {
   private animation: Animation;
   private durationTimeout: any;
   private mode: string;
-  private lastClick: number = 0;
 
   @Element() private el: HTMLElement;
 
@@ -193,8 +192,6 @@ export class Picker {
     // }
 
     // keep the time of the most recent button click
-    this.lastClick = Date.now();
-
     let shouldDismiss = true;
 
     if (button.handler) {
@@ -263,10 +260,7 @@ export class Picker {
   }
 
   protected render() {
-    let userCssClass = 'picker-content';
-    if (this.cssClass) {
-      userCssClass += ' ' + this.cssClass;
-    }
+    // TODO: cssClass
 
     let buttons = this.buttons
     .map(b => {
@@ -346,12 +340,12 @@ export class Picker {
             </div>
           )}
         </div>
-        <div class="picker-columns">
-          <div class="picker-above-highlight"></div>
+        <div class='picker-columns'>
+          <div class='picker-above-highlight'></div>
           {columns.map(c =>
             <ion-picker-column col={c}></ion-picker-column>
           )}
-          <div class="picker-below-highlight"></div>
+          <div class='picker-below-highlight'></div>
         </div>
       </div>
     ];
diff --git a/packages/core/src/components/popover/popover.tsx b/packages/core/src/components/popover/popover.tsx
index 03f781750a..7a0821df7b 100644
--- a/packages/core/src/components/popover/popover.tsx
+++ b/packages/core/src/components/popover/popover.tsx
@@ -347,4 +347,4 @@ export const POPOVER_POSITION_PROPERTIES: any = {
   }
 };
 
-export { iOSEnterAnimation, iOSLeaveAnimation };
\ No newline at end of file
+export { iOSEnterAnimation, iOSLeaveAnimation };
diff --git a/packages/core/src/components/segment-button/segment-button.tsx b/packages/core/src/components/segment-button/segment-button.tsx
index a5b71cd7f6..6bcd91a4fd 100644
--- a/packages/core/src/components/segment-button/segment-button.tsx
+++ b/packages/core/src/components/segment-button/segment-button.tsx
@@ -147,5 +147,5 @@ export class SegmentButton {
 export interface SegmentButtonEvent extends Event {
   detail: {
     segmentButton: SegmentButton;
-  }
+  };
 }
diff --git a/packages/core/src/utils/helpers.ts b/packages/core/src/utils/helpers.ts
index 6470965a83..c504c4e572 100644
--- a/packages/core/src/utils/helpers.ts
+++ b/packages/core/src/utils/helpers.ts
@@ -81,7 +81,7 @@ export function updateDetail(ev: any, detail: any) {
       var touch = changedTouches[0];
       x = touch.clientX;
       y = touch.clientY;
-    }else if (ev.pageX !== undefined) {
+    } else if (ev.pageX !== undefined) {
       x = ev.pageX;
       y = ev.pageY;
     }