ExtJs grid改变选中国银行的颜色

<style>
.x-grid3-row-alt {
background-color: #e3fffc;
}
.x-grid3-row-selected {
border: 1px solid;
}
.x-grid3-row {
border-color: #c0c0c0;
border-top-color: #fff;
border-right-color: #c0c0c0;
}
.x-grid3-row-selected {
background-color: #fdcf84 !important;
background-image: none;
border-color: #a3bae9;
}
.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; } </style>