.gzTable td, th {
    text-align: center
}

.btn-black {
    background: #000000;
    color: white
}

.btn-green {
    background: #2E8965;
    color: white
}

.btn-blue {
    background: #00f;
    color: white
}

.page-content .row {
    overflow-x: auto;
}

.flex-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
td.flex-box{
    justify-content: center;
}

.flex-box .flex-item {
    margin: 5px 10px;
}

.flex-item select, .flex-item input {
    height: 34px;
}

.flex-box>.btn {
    margin: 2px;
}
.required:before{
    content: "*";
    color: red;
}