.span_style {
    font-family: custom-serif, PMingLiu, MingLiu, Arial, Helvetica, sans-serif;
    font-size: 15.6px;
    letter-spacing: 1px;
    background-color: rgb(255, 255, 255);
}

.span_style2 {
    box-sizing: border-box;
    font-size: 15.6px;
    letter-spacing: 1px;
    font-family: custom-serif, PMingLiu, Arial;
    background-color: rgb(255, 255, 255);
}