optimize csm button

@@ -9,21 +9,31 @@ import UIKit
 
 @IBDesignable
 class CSMButton: UIButton {
+    required init?(coder aDecoder: NSCoder) {
+        super.init(coder: aDecoder)
+        configure()
+    }
 
-    required init() {
-        super.init(frame: .zero)
-        self.setup()
+    override init(frame: CGRect = .zero) {
+        super.init(frame: frame)
+        configure()
     }
     
-    required init?(coder aDecoder: NSCoder) {
-        super.init(coder: aDecoder)
-        self.setup()
+    override func prepareForInterfaceBuilder() {
+        super.prepareForInterfaceBuilder()
+        configure()
     }
+}
+
+private extension CSMButton {
+    func configure() {
+        setImage(UIImage(named: "directions"), for: .normal)
+        titleLabel?.font = UIFont(name: "PFSquareSansPro-Medium", size: 16)
+        setTitleColor(.white, for: .normal)
+        backgroundColor = UIColor(red: 0.47, green: 0.75, blue: 0.08, alpha: 1.00)
+        layer.cornerRadius = 12.0
         
-    private func setup() {
-        self.titleLabel?.font = UIFont(name: "PFSquareSansPro-Medium", size: 16)
-        self.setTitleColor(.white, for: .normal)
-        self.backgroundColor = UIColor(red: 0.47, green: 0.75, blue: 0.08, alpha: 1.00)
-        self.layer.cornerRadius = 12.0
+        imageEdgeInsets = UIEdgeInsets(top:0.0, left:0.0, bottom:0.0, right:5.0);
+        titleEdgeInsets = UIEdgeInsets(top:0.0, left:5.0, bottom:0.0, right:0.0);
     }
 }

@@ -187,6 +187,11 @@
             <point key="canvasLocation" x="137.68115942028987" y="120.53571428571428"/>
         </view>
     </objects>
+    <designables>
+        <designable name="bw3-J9-wHr">
+            <size key="intrinsicContentSize" width="67" height="31"/>
+        </designable>
+    </designables>
     <resources>
         <systemColor name="systemBackgroundColor">
             <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>