/** General **/

body {
    margin: 0;
    padding: 2rem;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

/** Table **/

table {
    text-align: left;
    width: 100%;
    position: relative;
    border-collapse: collapse; 
}

th, td {
    padding: 0.25rem;
}

th {
    background-color: darkblue;
    color: white;
    position: sticky;
    top: 0; /* Don't forget this, required for the stickiness */
    box-shadow: 0 2px 2px -1px rgba(0, 0, 0, 0.4);
}

td {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.last {
    border-top-style: double;
}

table.overview {
    max-width: 400px;
}

.overview th {
    background-color: white;
    color: black;
    border: none;
}

table.teilnehmer {
	max-width: 500px;
}

table.teilnehmer td {
    text-align: left;
}

/** Navigation **/

nav {
    margin-bottom: 1rem;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: darkblue;
}
  
nav li {
    float: left;
}
  
nav li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav li a:hover {
    background-color: blue;
}

nav .active {
    background-color: blue;
    font-weight: bolder;
}