.ui-body-c .ui-link {
    color: white;
}
.ui-group-theme-a a {
    color: white;
}
.grafik_inst {
	border: 0;
	background-color: black;
}
.grafik_inst td  {
	background-color: white;
	border: none;
	min-width: 22px;
	padding: 0;
	margin: 0;
	text-align: center;
}
.grafik_inst td span {
	margin: 0 2px;
	white-space: nowrap;
}
a.in_button {
	text-decoration: none;
	text-shadow: none;
    display: block;
    height: 26px;
    width: 26px;
	font-size: 10px;
	padding: 2px;
	overflow: hidden;
}
a:hover.in_button {
	background-color: lightgray;
}
a.reserve {
	background-color: red;
}
.grafik_inst td.week {
	background-color: lightgray;
}