div.ex1 {
  background-color: lightblue;
  height: 40px; 
  overflow-y: scroll;
}

 
.mySlides {display:none}
.w3-left, .w3-right, .w3-badge {cursor:pointer}
.w3-badge {height:17px;width:17px;padding:0}
 
  
.myH5{
	  margin-top: 3px;
     margin-bottom: 3px;
}
 
.centerImg {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}
.updateImg {
  display: block;
  margin-left: 20px;
  margin-right: auto; 
} 
.hrDetails { 
  display: block;
  margin-top: 0.5em;
  margin-bottom: 0.5em;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 2px;
} 

 
.hrMakingOf { 
  display: block;
  margin-top: 0em;
  margin-bottom: 0em;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 4px;
   clear: left;
} 

.hrAufblende { 
  display: block;
  margin-top: 0px;
  margin-bottom: 0px;
  margin-left: auto;
  margin-right: auto;
  border-style: inset;
  border-width: 2px;
}