.Ch {
    margin: 20px 0;
    height: 10vh;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 12px
}

.Ch a,
.Ch button,
.Ch input,
.Ch label,
.Ch span {
    margin-right: 5px;
    display: inline-block
}

.Ch input {
    width: 31px;
    height: 20px;
    padding: 0;
    text-align: center;
    vertical-align: bottom
}
.Ch label{
    padding: 5px 5px;
}
.Ch button {
    background: #09f;
    width: 25px;
    height: 20px;
    border: none;
    border-radius: 4px;
    color: #fff;
    cursor: pointer;
}

.Ch a {
    display: inline-block;
    border-radius: 4px;
    background: #fff;
    text-decoration: none;
    color: #1d1e37;
    border: 1px solid #ddd;
    line-height: 22px;
    padding: 0 5px;
}

.Ch a.Ch_Paging_choose {
    background: #09f;
    border: 1px solid #09f;
    color: #fff
}

.Ch a.Ch_paging_next,
.Ch a.Ch_paging_prev {
    border: none
}

.Ch a.Ch_paging_first,
.Ch a.Ch_paging_last {
    border: none
}