css - How to change the color of header? -

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बिल्कुल, मैं यह कैसे कर सकता हूँ? कोशिश की गई: 

  & lt; f: facet id = "form" name = "header" class = "customHeader" & gt; & lt; h: आउटपुटटेक्स्ट मान = "हैलो!" / & gt; & Lt; / च: पहलू & gt;   
 और मेरी सीएसएस:  
 । CustomHeader th {background-color: activeborder; पृष्ठभूमि-छवि: कोई नहीं; }   
 मुझे JSF पृष्ठ में सीएसएस फ़ाइल शामिल करने के लिए याद किया गया है:  
  & lt; link type = "text / css" ref = "stylesheet" href = " ./newcss.css"/>   
 लेकिन कोई परिणाम नहीं, मैं हेडर रंग बदल सकता हूं, मुझे कोई बदलाव नहीं दिखाई देता। कोई भी मदद?  
 उत्पन्न HTML कोड है:  
  
  & lt; html xmlns = "http://www.w3.org/1999 / एक्सएचटीएमएल "& gt; & lt; head id = "j_idt2" & gt; & lt; शीर्षक & gt; चेहरा शीर्षक & lt; / title & gt; & lt; लिंक प्रकार = "टेक्स्ट / सीएसएस" रिफ = "स्टाइलशीट" href = "। / newcss.css" / & gt; & Lt; / head & gt; & lt; body & gt; & LT; प्रपत्र आईडी = "j_idt5" नाम = "j_idt5" विधि = "पोस्ट" कार्रवाई = "/ HTableJSF / चेहरे / newjsf.xhtml" enctype = "application / x-www फार्म-urlencoded" & gt; & lt; इनपुट प्रकार = "छिपा हुआ" नाम = "j_idt5" मान = "j_idt5" / & gt; & Lt; तालिका शैली = "पृष्ठभूमि रंग: काला" & gt; & LT; thead & gt; & LT; टीआर & gt; & lt; th colspan = "1" scope = "colgroup" & gt; हैलो! & lt; / th & gt; & Lt; / टीआर & gt; & Lt; / thead & gt; & LT; tbody & gt; & LT; टीआर & gt; & LT; टीडी & gt; & lt; span class = "row1" & gt; हैलो & lt; / span & gt; & Lt; / टीडी & gt; & Lt; / टीआर & gt; & Lt; / tbody & gt; & Lt; / तालिका & gt; & LT; इनपुट प्रकार = "छिपा" नाम = "javax.faces.ViewState" id = "j_id1: javax.faces.ViewState: 0" मूल्य = "- 3603525257247985306: -5087066467544098625" स्वत: पूर्ण = "बंद" / & gt; & Lt; / प्रपत्र & gt; & Lt; / body & gt; & Lt; / html & gt;    
 
 
 आप सेट कर सकते हैं  headerClass  पर:  
  & lt; h: स्तंभ शीर्षक क्लास = "कस्टमहैडर" & gt; & Lt; f: पहलू नाम = "हेडर" & gt; नमस्कार! & Lt; / च: पहलू & gt; & Lt; / h: स्तंभ & gt;   
 विशिष्ट स्तंभ  & lt इस मामले में; वें वर्ग = "customHeader" & gt;।  उत्पन्न हो जाएगा  
 तो, आप की जरूरत है सीएसएस चयनकर्ता बदलें  
 <कोड> .customHeader {/ ** /}   
 <कोड> तत्व से यह बदलने के लिए या: या तो  वें  को हटा दें। वर्ग   
  th.customHeader {/ ** /}

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