@charset "UTF-8";
/*定义标题标签居中对齐*/
h2 {
    text-align: center;
    font-family: 楷体, monospace ;
}

/*定义div标签样式*/
div {
    border: 1px solid #CCC;
    width: 300px;
    height: 80px;
    color: green;
    text-align: center;
}