Move shared styles and attributes from keyboard-key's children to keyboard-key.

src/components/keys/svg-keyboard-key.component.ts

@@ -32,7 +32,11 @@ enum LabelTypes {
                             [attr.height]="height"  [attr.width]="width"
                             [attr.fill]="fill"
         />
-        <svg:g [ngSwitch]="labelType">
+        <svg:g [ngSwitch]="labelType"
+                [attr.font-size]="19"
+                [attr.font-family]="'Helvetica'"
+                [attr.fill]="'white'"
+                style="dominant-baseline: central">
             <svg:g svg-one-line-text-key *ngSwitchWhen="enumLabelTypes.OneLineText"
                     [height]="height"
                     [width]="width"

src/components/keys/svg-one-line-text-key.component.ts

@@ -8,11 +8,7 @@ import { Component, OnInit, Input } from '@angular/core';
          <svg:text
             [attr.x]="0"
             [attr.y]="height / 2"
-            [attr.text-anchor]="'middle'"
+            [attr.text-anchor]="'middle'">
-            [attr.font-size]="19"
-            [attr.font-family]="'Helvetica'"
-            [attr.fill]="'#ffffff'"
-            style="dominant-baseline: central">
                 <tspan
                     [attr.x]="width / 2"
                     dy="0"

src/components/keys/svg-single-icon-key.component.ts

@@ -7,8 +7,7 @@ import { Component, OnInit, Input } from '@angular/core';
     `
         <svg:use [attr.xlink:href]="icon"
                 [attr.width]="width / 3" [attr.height]="height / 3"
-                [attr.x]="width / 3" [attr.y]="height / 3"
+                [attr.x]="width / 3" [attr.y]="height / 3">
-                fill="white">
         </svg:use>
     `
 })

src/components/keys/svg-switch-keymap-key.component.ts

@@ -11,17 +11,12 @@ import {MapperService} from '../../services/mapper.service';
                 [attr.width]="width / 4"
                 [attr.height]="height / 4"
                 [attr.x]="width * 3 / 8"
-                [attr.y]="height / 5"
+                [attr.y]="height / 5">
-                fill="white">
         </svg:use>
         <svg:text
             [attr.x]="0"
             [attr.y]="height * 2 / 3"
-            [attr.text-anchor]="'middle'"
+            [attr.text-anchor]="'middle'">
-            [attr.font-size]="19"
-            [attr.font-family]="'Helvetica'"
-            [attr.fill]="'#ffffff'"
-            style="dominant-baseline: central">
                 <tspan [attr.x]="width / 2">{{ abbreviation }}</tspan>
         </svg:text>
     `

src/components/keys/svg-text-icon-key.component.ts

@@ -8,19 +8,14 @@ import { Component, OnInit, Input } from '@angular/core';
          <svg:text
             [attr.x]="0"
             [attr.y]="width > 2*height? height / 2 : height / 3"
-            [attr.text-anchor]="width > 2*height ? 'end' : 'middle'"
+            [attr.text-anchor]="width > 2*height ? 'end' : 'middle'">
-            [attr.font-size]="19"
-            [attr.font-family]="'Helvetica'"
-            [attr.fill]="'#ffffff'"
-            style="dominant-baseline: central">
                 <tspan [attr.x]="width > 2*height ?0.6*width : width / 2">{{ text }}</tspan>
          </svg:text>
         <svg:use [attr.xlink:href]="icon"
                 [attr.width]="width / 3"
                 [attr.height]="height / 3"
                 [attr.x]="width > 2*height ? width * 0.6 : width / 3"
-                [attr.y]="width > 2*height ? height / 3 : height / 2"
+                [attr.y]="width > 2*height ? height / 3 : height / 2">
-                fill="white">
         </svg:use>
     `
 })

src/components/keys/svg-two-line-text-key.component.ts

@@ -8,11 +8,7 @@ import { Component, OnInit, Input } from '@angular/core';
          <svg:text
             [attr.x]="0"
             [attr.y]="height/2"
-            [attr.text-anchor]="'middle'"
+            [attr.text-anchor]="'middle'">
-            [attr.font-size]="19"
-            [attr.font-family]="'Helvetica'"
-            [attr.fill]="'#ffffff'"
-            style="dominant-baseline: central">
                  <tspan
                         *ngFor="let text of texts; let index = index"
                         [attr.x]="width / 2"