EXTJs grid row的颜色

/*设置斑马线颜色*/
.x-grid3-row-alt {
　　background-color:#e3fffc;
}
.x-grid3-row-selected {
　 border:1px solid;
}
.x-grid3-row {
    border-color:#c0c0c0; /*改变grid边框颜色*/
    border-top-color:#fff;
    border-right-color:#c0c0c0;
}
/*选中时的颜色*/
.x-grid3-row-selected {
    background-color:#fdcf84 !important;
    background-image: none;
    border-color:#a3bae9;
}
/*鼠标移到行上方时改变样式*/
.x-grid3-row-over {
    background-image:none;
    background-color:#fab27b;
}
.x-grid-with-col-lines .x-grid3-row td.x-grid3-cell {
    border-right-color:#c0c0c0;
}
.x-item-readonly{
    background-image: url(../images/default/form/text-rbg.gif);
    BORDER-BOTTOM-COLOR:#b5b8c8; cursor: default;
    background-color:#F0F0F0 !important;
}