.koers td {
    padding: 4px; 
}
.highlight {
    background-color: azure;
}
.tabledetails {
    padding: 10px;
    background-color: white;
}

.border0 {
    border: 2px solid chartreuse;
    padding: 15px;
    margin: 3px;
}

.border1 {
    border: 1px solid aqua;
    padding: 15px;
    margin: 3px;
}

.border2 {
    border: 1px solid rebeccapurple;
    padding: 15px;
    margin: 3px;
}

.border3 {
    border: 1px solid orange;
    padding: 15px;
    margin: 3px;
}

.border4 {
    border: 1px solid orangered;
    padding: 15px;
    margin: 3px;
}