body {
    font-family: Arial, sans-serif ;
}
.viivat td {
border: 1px solid black;
padding: 4px 8px;}


table{border-collapse: collapse;}


th{text-align: left;}

.raidat tr:nth-child(even){
    background-color: aquamarine;
}
.raidat th,.raidat td{ padding: 4px 8px;}