select-time.less

.select-time {
    margin-top: 15px;
    text-align: center;

    &.panel {
        -webkit-box-shadow: none;
        box-shadow: none;
    }

    .choose-year, .choose-all, .choose-month {
        display: inline-block;
    }

    .dropdown-menu {
        &.show {
            padding: 0;
        }
        .dropdown-menu-item {
            border-bottom: 1px solid #ccc;
            cursor: pointer;
            padding: 5px;
        }
    }
}