删除按钮边框

mainwindow.ui

@@ -133,6 +133,9 @@ color: rgb(255, 255, 0);</string>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
       <widget class="QToolButton" name="back_btn">
+       <property name="styleSheet">
+        <string notr="true">border: none;</string>
+       </property>
        <property name="text">
         <string>...</string>
        </property>
@@ -150,6 +153,9 @@ color: rgb(255, 255, 0);</string>
      </item>
      <item>
       <widget class="QToolButton" name="last_btn">
+       <property name="styleSheet">
+        <string notr="true">border: none;</string>
+       </property>
        <property name="text">
         <string>...</string>
        </property>
@@ -167,6 +173,9 @@ color: rgb(255, 255, 0);</string>
      </item>
      <item>
       <widget class="QToolButton" name="play_btn">
+       <property name="styleSheet">
+        <string notr="true">border: none;</string>
+       </property>
        <property name="text">
         <string>...</string>
        </property>
@@ -184,6 +193,9 @@ color: rgb(255, 255, 0);</string>
      </item>
      <item>
       <widget class="QToolButton" name="next_btn">
+       <property name="styleSheet">
+        <string notr="true">border: none;</string>
+       </property>
        <property name="text">
         <string>...</string>
        </property>
@@ -201,6 +213,9 @@ color: rgb(255, 255, 0);</string>
      </item>
      <item>
       <widget class="QToolButton" name="front_btn">
+       <property name="styleSheet">
+        <string notr="true">border: none;</string>
+       </property>
        <property name="text">
         <string>...</string>
        </property>
@@ -240,6 +255,9 @@ color: rgb(255, 255, 0);</string>
        <layout class="QHBoxLayout" name="horizontalLayout_2">
         <item>
          <widget class="QToolButton" name="mute_btn">
+          <property name="styleSheet">
+           <string notr="true">border: none;</string>
+          </property>
           <property name="text">
            <string>...</string>
           </property>
@@ -257,6 +275,9 @@ color: rgb(255, 255, 0);</string>
         </item>
         <item>
          <widget class="QToolButton" name="volume_down_btn">
+          <property name="styleSheet">
+           <string notr="true">border: none;</string>
+          </property>
           <property name="text">
            <string>...</string>
           </property>
@@ -274,6 +295,9 @@ color: rgb(255, 255, 0);</string>
         </item>
         <item>
          <widget class="QToolButton" name="volume_up_btn">
+          <property name="styleSheet">
+           <string notr="true">border: none;</string>
+          </property>
           <property name="text">
            <string>...</string>
           </property>
@@ -306,6 +330,9 @@ color: rgb(255, 255, 0);</string>
     <layout class="QHBoxLayout" name="horizontalLayout_3">
      <item>
       <widget class="QLabel" name="time_left_label">
+       <property name="styleSheet">
+        <string notr="true">color: rgb(255, 255, 0);</string>
+       </property>
        <property name="text">
         <string>TextLabel</string>
        </property>
@@ -320,6 +347,9 @@ color: rgb(255, 255, 0);</string>
      </item>
      <item>
       <widget class="QLabel" name="time_right_label">
+       <property name="styleSheet">
+        <string notr="true">color: rgb(255, 255, 0);</string>
+       </property>
        <property name="text">
         <string>TextLabel</string>
        </property>
@@ -334,7 +364,7 @@ color: rgb(255, 255, 0);</string>
      <x>0</x>
      <y>0</y>
      <width>1055</width>
-     <height>26</height>
+     <height>25</height>
     </rect>
    </property>
   </widget>