💄 change another arrow style

components/date-picker/style/Calendar.less

@@ -1,3 +1,64 @@
+.calendarLeftArrow() {
+  height: 100%;
+
+  &::before,
+  &::after {
+    position: relative;
+    top: -1px;
+    display: inline-block;
+    width: 8px;
+    height: 8px;
+    vertical-align: middle;
+    border: 0 solid #aaa;
+    border-width: 1.5px 0 0 1.5px;
+    border-radius: 1px;
+    transform: rotate(-45deg) scale(.8);
+    transition: all .3s;
+    content: '';
+  }
+
+  &:hover::before,
+  &:hover::after {
+    border-color: @text-color;
+  }
+
+  &::after {
+    display: none;
+  }
+}
+
+.calendarLeftDoubleArrow() {
+  .calendarLeftArrow;
+
+  &::after {
+    position: relative;
+    left: -3px;
+    display: inline-block;
+  }
+}
+
+.calendarRightArrow() {
+  .calendarLeftArrow;
+
+  &::before,
+  &::after {
+    transform: rotate(135deg) scale(.8);
+  }
+}
+
+.calendarRightDoubleArrow() {
+  .calendarRightArrow;
+
+  &::before {
+    position: relative;
+    left: 3px;
+  }
+
+  &::after {
+    display: inline-block;
+  }
+}
+
 .calendarPanelHeader(@calendar-prefix-cls) {
   height: 40px;
   line-height: 40px;
@@ -49,36 +110,24 @@
   .@{calendar-prefix-cls}-prev-decade-btn,
   .@{calendar-prefix-cls}-prev-year-btn {
     left: 7px;
-
-    &::after {
-      content: '«';
-    }
+    .calendarLeftDoubleArrow;
   }
 
   .@{calendar-prefix-cls}-next-century-btn,
   .@{calendar-prefix-cls}-next-decade-btn,
   .@{calendar-prefix-cls}-next-year-btn {
     right: 7px;
-
-    &::after {
-      content: '»';
-    }
+    .calendarRightDoubleArrow;
   }
 
   .@{calendar-prefix-cls}-prev-month-btn {
     left: 29px;
-
-    &::after {
-      content: '‹';
-    }
+    .calendarLeftArrow;
   }
 
   .@{calendar-prefix-cls}-next-month-btn {
     right: 29px;
-
-    &::after {
-      content: '›';
-    }
+    .calendarRightArrow;
   }
 }
 

components/date-picker/style/RangePicker.less

@@ -96,11 +96,10 @@
   .@{calendar-prefix-cls}-input,
   .@{calendar-timepicker-prefix-cls}-input {
     .input;
-
     height: @input-height-sm;
-    line-height: @input-height-sm;
     padding-right: 0;
     padding-left: 0;
+    line-height: @input-height-sm;
     border: 0;
     box-shadow: none;