style.css

body {
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
h1{
    margin-top: 5rem;
    margin-bottom: 3rem;
}
.tabulator .tabulator-header{
    border-bottom: 3px solid #e67519;
}
.tabulator-row .tabulator-cell{
    border-right: 0px;
}
.table.panel {
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
    margin-bottom: 1rem;
    border-spacing: 0;
}
#main-table{
    max-width:100vw;
}
.table .line{
    display: flex;
    margin:0.3rem auto 0.3rem auto;
    justify-content: center; 
    flex-wrap: wrap;
}
.table .col{
    flex-flow: column;
    display: inline-flex;
    justify-content: center; 
    margin:1rem;
}
.panel .border{
    display: inline-block;
    background-color: white;
    border-style: solid;
    border-width: 2px;
    border-color: rgb(32, 32, 32);
    font-weight: bold;
    font-size: 1rem;
    line-height:1.5rem;
    padding: 4px;
    width: 6rem;
}
.panel .button{
    transition: background-color .1s;
    font-size: 1rem;
    font-weight: bold;
    line-height:1.5rem;
    border-style: solid;
    border-width: 0px;
    border-color: rgb(32, 32, 32);
    display: inline-block;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    text-decoration: none;
    text-transform: none;
    white-space: normal;
    cursor: pointer;
    outline: 0;
    color: #fff;
    background: rgb(32, 32, 32);
    border-color: rgb(32, 32, 32);
    padding: 7px;
}

.table.panel .button.big{
    width:100%;
}

.panel .button:hover{
    background: rgb(66, 66, 66);
}
.panel .button:active{
    background: rgb(180, 180, 180);
}
.panel .button:disabled{
    background: rgb(136, 135, 135);
}

select{
    box-sizing:content-box;
}
.panel input{
    padding: 0 0 0 0.3rem;
}

.panel td{
    padding: 1px 0 1px 0;
    height:2.0rem
}

.tabulator-row.tabulator-row-even.tabulator-selected {
    background-color: #A9C5EB;
}
.tabulator-row.tabulator-row-odd.tabulator-selected {
    background-color: #B9CFEB;
}

.bottom.panel{
    margin-top: 1rem;
    margin-bottom: 2rem;
}

a:link {
    color: blue;
    text-decoration: none;
}

a:visited {
    color: blue;
}

a:hover {
    color: rgb(75, 75, 253);
}