* {
  box-sizing: border-box;
}

body {
  font-family: Arial;
  padding: 10px;
  background: #f1f1f1;
}

a {
  text-decoration: none;
  color: black;
}

.header {
  padding: 30px;
  text-align: center;
  background: white;
}

.header h1 {
  font-size: 50px;
}

.topnav {
  overflow: hidden;
  background-color: #104E8B;
}

.topnav a {
  float: left;
  display: block;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
  cursor: pointer;
  transition: transform 0.2s ease-in-out;
  transform: scale(1.05);
}

.leftcolumn {   
  float: left;
  width: 75%;
}

.rightcolumn {
  float: left;
  width: 25%;
  background-color: #f1f1f1;
  padding-left: 20px;
}

.fakeimg {
  background-color: #aaa;
  width: 100%;
  padding: 20px;
}

.card {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
}

.card a:hover {
  transform: scale(1.05);
}

.namen {
  background-color: white;
  padding: 20px;
  margin-top: 20px;
  text-align: center;
}


.namen p:hover {
  transform: scale(1.05);
  cursor: pointer;
}

.row::after {
  content: "";
  display: table;
  clear: both;
}

.footer {
  padding: 20px;
  text-align: center;
  background-color: #f2f2f2;
  margin-top: 20px;
}

@media screen and (max-width: 800px) {
  .leftcolumn, .rightcolumn {   
    width: 100%;
    padding: 0;
  }
}

@media screen and (max-width: 400px) {
  .topnav a {
    float: none;
    width: 100%;
  }
}

table {
  border-radius: 5px;
  width: 75%;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  height: 15%;
}

th {
  background-color:#104E8B;
  color: white;
  border-bottom: 2px solid black;
  border-radius: 5px solid black;
  padding: 10px;
}

td {
  border-radius: 5px;
  border-bottom: 2px;
  padding-bottom: 20px;
  padding-top: 20px;
}

.uhrzeit {
  background-color: #D9D9D9;
  border-bottom: 2px;
}

.block {
  background-color: #F0F0F0;
  border-radius: 5px;
  border-bottom: 2px;
}

.block:hover {
  background-color: #D9D9D9;
  color: white;
  transform: scale(1.05);
  transition: transform 0.2s ease-in-out;
  cursor: pointer;
}

.frei {
  background-color: #F0F0F0;
  border-radius: 5px;
  border-bottom: 2px;
}