#head, #intro, #auswahl, #lerninfo{
    width: 75%;
    border: 1px solid grey;
    margin: 0 auto;
    margin-bottom: 10px;
    padding: 5px 25px;
    background-color: white;
    font-family: Calibri, sans-serif;
}

#lerninfo {
	visibility: visible;	
	}
	
.tabelle1 {
 	border: 1px solid black;
	}

table, th, td {
   border: 1px solid black;
   font-size: 18px;
}

table {
    border-collapse: collapse;
   
}


#tabelle2 {
	float: right;
	margin-top: -38%;
	}

.headerbild {
   width: 100%;
   height: auto;
}

.introtext {
   font-size: 20px
}


body{
   background-image: url("pics/backgroundpatter1.jpg");
}

h1, h2 {
	
   text-align: center;
   font-family: Source Sans Pro, Arial, sans-serif;
   text-decoration: underline;
}

h3 {
	font-size: 25px;
	font-style: oblique;	
   text-decoration: underline;
}

#buttons {
	 width: 100%;
	 display: flex;
	 justify-content: center;
	}

#button1, #button2 {
    background-color: #555555;
    border: none;
    color: white;   
    padding: 10px 40px;
    text-align: center;   
    font-size: 20px; 
    float: left;
    margin-right: 1%;
    width: 30%;
    border: 1px solid #555555; 
}

#button1:hover, #button2:hover {
    background-color: white;
    color: #555555;
    border: 1px solid #555555;
}

#trainer1, #trainer2 {
    visibility: hidden;
    width: 67%;
    border: 1px solid grey;
    padding: 1% 5%;
    background-color: white;
    font-family: Calibri, sans-serif;
    position: absolute;
    margin-left: auto;
    margin-right: auto;
    left: 0;
    right: 0;
    font-size: 22px;
    text-align: center;
}