In extjs, the font size in Firefox is small. solution:

The text of ext in FF-Firefox is smaller and fuzzy. This is determined by the font size. Font-size: 11px; no problem in English. It is also possible in IE. However, Chinese characters cannot be displayed normally. Therefore, Set Font-size: 12px, but the font style must be specified. The following figure shows the modified font style. Import! </P> <p> @ charset "UTF-8"; </P> <p>. x-window-footer {<br/> position: relative; <br/> top: 0; <br/> right: 0; <br/>}</P> <p>. x-tab-strip span. x-tab-strip-text {<br/> font-size: 12px; <br/>}</P> <p>. x-panel-header {<br/> font-size: 12px; <br/>}</P> <p>. x-tree-node {<br/> font-size: 12px; <br/>}</P> <p>. x-grid3-hd-row TD {<br/> font-size: 12px; <br/>}</P> <p>. the x-grid3-row TD {<br/> font-size: 12px; <br/> line-Height: 16px; <br/>}</P> <p>. x-tip. x-tip-BD {<br/> font-size: 12px; <br/>}</P> <p>. x-tip H3 {<br/> font-size: 12px; <br/>}</P> <p>. x-tip. x-tip-BD-inner {<br/> font-size: 12px; <br/>}</P> <p>. x-panel-Tl. x-panel-header {<br/> Font: normal 12px tahoma, Arial, verdana, sans-serif; <br/>}</P> <p>. x-form-field {<br/> Font: 12px tahoma, Arial, Helvetica, sans-serif; <br/>}</P> <p>. x-small-editor. x-form-field {<br/> Font: 12px tahoma, Arial, Helvetica, sans-serif; <br/>}</P> <p>. x-combo-list-item {<br/> Font: 12px tahoma, Arial, Helvetica, sans-serif; <br/>}</P> <p>. x-menu-list-item {<br/> Font: 12px tahoma, Arial, sans-serif; <br/>}</P> <p>. x-window-Tl. x-window-header {<br/> Font: bold 12px tahoma, Arial, verdana, sans-serif; <br/>}</P> <p>. EXT-ie. x-form-text {<br/> margin-top: 1px; <br/>}</P> <p>. x-form-item {<br/> Font: 12px tahoma, Arial, Helvetica, sans-serif; <br/>}</P> <p>. x-grid-group-HD Div {<br/> Font: bold 12px tahoma, Arial, Helvetica, sans-serif; <br/>}</P> <p>. x-BTN-text-icon. x-BTN-center. x-BTN-text {<br/> background-position: 0pt 2px; <br/> background-repeat: No-Repeat; <br/> padding: 3px 0pt 2px 18px; <br/>}</P> <p>. EXT-Gecko. x-BTN button {<br/> padding-left: 0pt; <br/> padding-Right: 0pt; <br/>}</P> <p>. x-BTN button {<br/> font-size: 12px; <br/>}</P> <p>. x-toolbar TD ,. x-toolbar span ,. x-toolbar input ,. x-toolbar Div ,. x-toolbar select ,. x-toolbar label {<br/> font-size: 12px; <br/>}</P> <p>. x-tip. x-tip-body {<br/> font-size: 12px; <br/>}< br/>