Ext2.2在FireFox下字体显示太小的问题解决方法

新建一个patch.css文件，然后把内容copy进去
接着在 你引入ext-all.css的后面引入这个新的patch.css文件

ext-el-mask-msg div,.loading-indicator,.x-tab-strip span.x-tab-strip-text,.x-form-invalid-msg,.x-small-editor .x-form-field,.x-fieldset legend,.x-btn,.x-btn button,.x-toolbar td,.x-toolbar span,.x-toolbar input,.x-toolbar div,.x-toolbar select,.x-toolbar label,.x-grid3-hd-row td,.x-grid3-row td,.x-grid3-summary-row td,.x-grid3-topbar,.x-grid3-bottombar,.x-grid-group-hd div,.x-grid-empty,.x-dd-drag-ghost,.x-tree-node,.x-date-middle,.x-date-left,.x-date-right,.x-date-inner a,.x-date-mp td,.x-date-mp-btns button,.x-tip .x-tip-mc,.x-tip .x-tip-header-text,.x-tip .x-tip-body,.x-menu-list-item,#x-debug-browser .x-tree .x-tree-node a span,.x-combo-list-hd,.x-combo-list-small .x-combo-list-item,.x-panel-header,.x-panel-tl .x-panel-header,.x-panel-mc,.x-window-tl .x-window-header,.x-window-mc,.x-progress-text,.x-date-inner th,.x-date-mmenu .x-menu-item {font-size:9pt}