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/* 提示框样式 */.MessageBox{}/* 表头 */.MessageBox .head{ height:32px; overflow:hidden;}.MessageBox .head .left{ width:20px; background:url('images/message_bg.png') left 0px no-repeat;}.MessageBox .head .center{ padding:0px; background:url('images/message_bg.png') 0px -32px repeat-x;}.MessageBox .head .center .title{ float:left; color:#fff; font-size:16px; font-weight:bold; margin-top:5px;}.MessageBox .head .right{ width:20px; background:url('images/message_bg.png') right 0px no-repeat;}/* 表头 */.MessageBox .head-no-title{ height:16px;}.MessageBox .head-no-title .left{ width:20px; background:url('images/message_bg.png') left -96px no-repeat;}.MessageBox .head-no-title .center{ background:url('images/message_bg.png') 0px -112px repeat-x;}.MessageBox .head-no-title .right{ width:20px; background:url('images/message_bg.png') right -96px no-repeat;}/* 按钮栏 */.MessageBox .control{ height:40px; vertical-align:top;}.MessageBox .control .left{ width:20px; background:url('images/message_center_bg.png') left top repeat-y;}.MessageBox .control .center{ background-color:#7bafe6; text-align:center;}.MessageBox .control .right{ width:20px; background:url('images/message_center_bg.png') right top repeat-y;}/* 表底 */.MessageBox .foot{ height:16px;}.MessageBox .foot .left{ width:20px; background:url('images/message_bg.png') left -px no-repeat;}.MessageBox .foot .center{ background:url('images/message_bg.png') 0px -80px repeat-x;}.MessageBox .foot .right{ width:20px; background:url('images/message_bg.png') right -px no-repeat;}/* 提示框 */.MessageBox .msg{ height:90px;}.MessageBox .msg .left{ width:20px; background:url('images/message_center_bg.png') left top repeat-y;}.MessageBox .msg .center{ padding-left:90px; font-size:16px; background-color:#7bafe6;}.MessageBox .msg .center .msg-content{ color:#fff; margin:20px 12px 20px 6px;}.MessageBox .msg .right{ width:20px; background:url('images/message_center_bg.png') right top repeat-y;}.MessageBox .msg .error{ background-image:url("images/icon_error.png"); background-position:0px 10px; background-repeat:no-repeat;}.MessageBox .msg .info{ background-image:url("images/icon_info.png"); background-position:0px 10px; background-repeat:no-repeat;}.MessageBox .msg .warning{ background-image:url("images/icon_warning.png"); background-position:0px 10px; background-repeat:no-repeat;}.MessageBox .msg .forbidden{ background-image:url("images/icon_forbidden.png"); background-position:0px 10px; background-repeat:no-repeat;}.MessageBox .msg .stop{ background-image:url("images/icon_stop.png"); background-position:0px 10px; background-repeat:no-repeat;}.MessageBox .msg .blank{ height:40px; padding:10px 20px 10px 20px; text-align:center;} 你调试看看是哪个background-position有偏差了,后面是xy坐标，改一下把白条给去掉
要是演示用，就用一张图片好了，搞这么多拼接干嘛，要显示很多种方式类型吗
设置table的 cellspaceing cellpadding 为0
可能拼错了
将表格的边框、边距、间距都设置为0，即：