.practice table {
  border:1px solid black;
  border-collapse:collapse;
  overflow:scroll;
}
.practice tr {
  border: 1px dotted black;
}
.practice th {
  font-family: Verdana, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: bold;
  line-height: 13px;
  text-align: center;
  white-space: nowrap;
  padding-left: 2px;
  padding-right: 2px;
  border: solid black 1px;
}
.practice td {
	font-family: Verdana, Helvetica, sans-serif;
	font-size: 11px;
	font-weight: normal;
	line-height: 12px;
	white-space: nowrap;
	vertical-align: top;
	border: solid gray 1px;
	padding-left: 2px;
	padding-right: 2px;
	padding-top: 1px;
	padding-bottom: 1px;
}