* {
  box-sizing: border-box;
}


[class*="col-"] {
  float: left;
  padding: 15px;
    text-align: left;

}


/* For desktop: */
.col-1 {width: 8.33%;}
.col-2 {width: 16.66%;}
.col-3 {width: 25%;}
.col-4 {width: 33.33%;}
.col-5 {width: 41.66%;}
.col-6 {width: 50%;}
.col-7 {width: 58.33%;}
.col-8 {width: 66.66%;}
.col-9 {width: 75%;}
.col-10 {width: 83.33%;}
.col-11 {width: 91.66%;}
.col-12 {width: 100%;}

@media only screen and (max-width: 768px) {
  /* For mobile phones: */
  [class*="col-"] {
    width: 100%;
      text-align: center;
      padding: 0px;
  }

    
    .caption span.border {
  background-color: #639fa4;
  color: #fff;
  padding: 10px;
  font-size: 16px;
  letter-spacing: 5px;
}
  
    .box_3 {
    clear:both; 
    color: #777;
    background-color:white;
    text-align:center;
    padding:30px 30px;
    text-align: justify;

}
    
    .ueber_aa {
    font-family: 'Square Peg';
    color:#ddd;
    
    text-align:center;
    padding:30px 30px;
    text-align: justify;
    
}
    #u_links {
    padding-left:0px; 
    padding-top:50px; 
    text-align:center; 
    font-size:15px;
}

    #u_mitte {
    padding-left:0px; 
    padding-top:15px; 
    text-align:center; 
    font-size:15px
}

    #u_rechts {
    padding-left:0px; 
    padding-top:80px; 
    text-align:center; 
    font-size:12px
}
    
    #copy {
    font-size:12px
}
    
}