body{
  font-family: Arial, sans-serif;
}

.viivat td {
    border: 1px solid #000;
    padding: 4px 8px;
}
table {
   border-collapse: collapse;

}
.raidat tr:nth-child(even) {
    background-color: rgb(0, 255, 234);
}

th {

    text-align: left;
}
.raidat th, .raidat td {
    padding: 4px 8px;
}