style improve

src/networkcfgdialog.ui

@@ -40,12 +40,17 @@ padding: 2px;
 
 QTabBar::tab:selected, QTabBar::tab:hover {
 border-bottom:5px solid #4a88c7;
-background:  #505050;}</string>
+background:  #505050;}
+
+QLineEdit#led_inface{font-size:15px;border: 0px;}</string>
   </property>
   <layout class="QHBoxLayout" name="horizontalLayout_5">
    <item>
     <widget class="QWidget" name="formWidget" native="true">
      <layout class="QVBoxLayout" name="verticalLayout">
+      <property name="spacing">
+       <number>10</number>
+      </property>
       <item>
        <widget class="QLabel" name="title">
         <property name="text">
@@ -62,7 +67,7 @@ background:  #505050;}</string>
          <bool>true</bool>
         </property>
         <property name="currentIndex">
-         <number>2</number>
+         <number>0</number>
         </property>
         <widget class="QWidget" name="tab">
          <attribute name="title">
@@ -435,13 +440,6 @@ background:  #505050;}</string>
           <item>
            <widget class="QWidget" name="widget_3" native="true">
             <layout class="QVBoxLayout" name="verticalLayout_4">
-             <item>
-              <widget class="Line" name="line">
-               <property name="orientation">
-                <enum>Qt::Horizontal</enum>
-               </property>
-              </widget>
-             </item>
              <item>
               <widget class="QPlainTextEdit" name="output">
                <property name="enabled">
@@ -456,6 +454,13 @@ background:  #505050;}</string>
         </widget>
        </widget>
       </item>
+      <item>
+       <widget class="Line" name="line">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QDialogButtonBox" name="btn_group">
         <property name="orientation">