Minor layout changes on the spinners

app/src/main/res/layout/edit_habit.xml

@@ -65,7 +65,7 @@
                 android:id="@+id/sFrequency"
                 android:theme="@style/dialogFormText"
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
+                android:layout_height="25dp"
                 android:minWidth="400dp"
                 android:entries="@array/frequencyQuickSelect"
                 android:visibility="gone"/>

app/src/main/res/layout/show_habit.xml

@@ -61,15 +61,15 @@
             style="@style/Card"
             android:gravity="center">
 
-            <Spinner
+            <android.support.v7.widget.AppCompatSpinner
                 android:id="@+id/sStrengthInterval"
                 android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
+                android:layout_height="22dp"
                 android:entries="@array/strengthIntervalNames"
                 android:layout_alignParentTop="true"
                 android:layout_alignParentRight="true"
                 android:layout_alignParentEnd="true"
-                android:minWidth="100dp"
+                android:theme="@style/SmallSpinner"
                 />
 
             <TextView

app/src/main/res/values/styles.xml

@@ -59,6 +59,11 @@
         <item name="aboutScreenColor">@color/blue_800</item>
     </style>
 
+    <style name="SmallSpinner">
+        <item name="android:textColor">?mediumContrastTextColor</item>
+        <item name="android:textSize">@dimen/smallTextSize</item>
+    </style>
+
     <style name="AppBaseThemeDark" parent="@style/Theme.AppCompat.NoActionBar">
         <item name="preferenceTheme">@style/PreferenceThemeOverlay.v14.Material</item>
         <item name="windowActionModeOverlay">true</item>