html,body{
    height: 100%;
    margin: 0;
    /* 实现点击id后可以平滑滚动，而不是突然跳转，看起来更流畅 */
    scroll-behavior: smooth;
}

a{
    text-decoration: none;
}

.color_background{
    background-color: #2c2e2f;
}

.color_deep_background{
    background-color: #26282a;
}

.color_foreground{
    color: #d6d6d6;
}