body{
    font-family: arial;
    line-height: 1.3em;
}
#wrapper{ 
    width: 90%;
   margin: 2em;
   column-count: 2;
   -moz-column-count: 2;
   -webkit-column-count: 2;                     
} 

.autor{
   text-align: right;
   font-style: italic;
   font-size: 11px;
   }

img{
    max-width: 100%;                       
    height: auto;
} 

/*Bild responsive und zentriert*/
 
.imgzentriert {
display: block;
max-width:100%;
text-align: center;
 margin-left: 25px;
 height: auto;
}
    


.quelle{
    font-size: 10px;
    font-style: italic;
} 


/*===================== handy =====================*/
 @media only screen and (max-width: 31.23em){

     #wrapper{
        width: 90%;
        column-count: 1;
        -moz-column-count: 1;
        -webkit-column-count: 1;
        -ms-column-count: 1;
     }      
     
 }