.ant-form ,.activityCost-form {
    .activityCost-title {
        font-size: 16px;
        line-height: 30px;
        margin-top: 10px;
        margin-bottom: 10px;
    }
    .half-item {
        width: 50%;
        float: left;
    }
    .activityCost-box {
        background: #eee;
        padding: 10px 0 ;
    }
}