/*公共样式*/
.margin_top_10 {
    margin-top: 10px;
}
.margin_bottom_10 {
    margin-bottom: 10px;
}
.margin_top_20 {
    margin-top: 20px;
}
.margin_left_10 {
    margin-left: 10px;
}
.margin_left_8 {
    margin-left: 8px;
}
.flex_text_box {
    display: -ms-flexbox;
    display: flex;
    -ms-flex-direction: row;
        flex-direction: row;
    -ms-flex-align: center;
        align-items: center;
    margin-top: 20px;
}