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自昨天以來，我一直在收到很多Bootstrap警告/錯誤。這兩天前沒有發生，所以我不知道發生了什麼。以下是警告/錯誤：Bootstrap 3.3.6 bootstrap.min.css中的警告和錯誤
Unknown pseudo-class or pseudo-element '-webkit-inner-spin-button'. Ruleset ignored due to bad selector. bootstrap.min.css:5:1544
Unknown pseudo-class or pseudo-element '-webkit-search-cancel-button'. Ruleset ignored due to bad selector. bootstrap.min.css:5:1778
Unknown property 'orphans'. Declaration dropped. bootstrap.min.css:5:2691
Unknown property 'widows'. Declaration dropped. bootstrap.min.css:5:2700
Unknown property '-moz-osx-font-smoothing'. Declaration dropped. bootstrap.min.css:5:3676
Expected color but found 'auto'. Expected color but found '-webkit-focus-ring-color'. Expected end of value but found '-webkit-focus-ring-color'. Error in parsing value for 'outline'. Declaration dropped. bootstrap.min.css:5:15709
Error in parsing value for 'margin-top'. Declaration dropped. bootstrap.min.css:5:35740
Expected color but found 'auto'. Expected color but found '-webkit-focus-ring-color'. Expected end of value but found '-webkit-focus-ring-color'. Error in parsing value for 'outline'. Declaration dropped. bootstrap.min.css:5:35987
Unknown pseudo-class or pseudo-element '-ms-input-placeholder'. Ruleset ignored due to bad selector. bootstrap.min.css:5:36918
Unknown pseudo-class or pseudo-element '-webkit-input-placeholder'. Ruleset ignored due to bad selector. bootstrap.min.css:5:36966
Unknown pseudo-class or pseudo-element '-ms-expand'. Ruleset ignored due to bad selector. bootstrap.min.css:5:37018
Expected media feature name but found '-webkit-min-device-pixel-ratio'. bootstrap.min.css:5:37352
Error in parsing value for 'margin-top'. Declaration dropped. bootstrap.min.css:5:38465
Unknown property 'touch-action'. Declaration dropped. bootstrap.min.css:5:45403
Unknown property 'user-select'. Declaration dropped. bootstrap.min.css:5:45511
Expected color but found 'auto'. Expected color but found '-webkit-focus-ring-color'. Expected end of value but found '-webkit-focus-ring-color'. Error in parsing value for 'outline'. Declaration dropped. bootstrap.min.css:5:45712
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:46058
Expected color but found 'solid\9 '. Expected end of value but found 'solid\9 '. Error in parsing value for 'border-top'. Declaration dropped. bootstrap.min.css:5:54984
Expected 'none', URL, or filter function but found 'progid'. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:56351
Expected color but found 'solid\9 '. Expected end of value but found 'solid\9 '. Error in parsing value for 'border-bottom'. Declaration dropped. bootstrap.min.css:5:56896
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:85087
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:85273
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:85992
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:86178
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:86618
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:86804
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:87250
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:87436
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:87880
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:88066
Unknown property 'zoom'. Declaration dropped. bootstrap.min.css:5:88502
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:105745
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:105854
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:107063
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:107116
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:108266
Unknown property 'line-break'. Declaration dropped. bootstrap.min.css:5:108303
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:108328
Unknown property 'line-break'. Declaration dropped. bootstrap.min.css:5:110310
Expected media feature name but found 'transform-3d'. bootstrap.min.css:5:112148
Expected media feature name but found '-webkit-transform-3d'. bootstrap.min.css:5:112163
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:113485
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:113554
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:113641
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:113723
Expected 'none', URL, or filter function but found 'progid'. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:113900
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:114097
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:114184
Error in parsing value for 'background-image'. Declaration dropped. bootstrap.min.css:5:114266
Expected 'none', URL, or filter function but found 'progid'. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:114443
Expected 'none', URL, or filter function but found 'alpha('. Error in parsing value for 'filter'. Declaration dropped. bootstrap.min.css:5:114668
Expected color but found '#\30 00\9 '. Error in parsing value for 'background-color'. Declaration dropped.
我正在使用Firefox 47.0.1。如果任何人都可以闡明這一點，將不勝感激！我連接這樣的CSS文件（從官方引導下載頁面複製）：
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">