.wy-header {
    background-color: #162636;position: fixed;top: 30px;z-index: 999999;width: 100%
}
.wy-header-title {
    color: #ffffff;font-size: 18px;font-weight: 400
}
.wy-header-span {
    position: absolute;left: 15px;color: #ffffff;top: 11px;
}
.right_img {
    position: absolute;right: 15px;color: #ffffff;top: 9px;font-size: 12px;height: 25px;width: 25px
}