.colAnna-1{
display: none;
}
.colAnna-2{
border: 0px solid orange;
display: none;
}
.Anna3{
display: block;
width: 70%;
border: 0px solid green;
margin: auto;
}
.Felix{
width: 50%;
margin: auto;
display: block;

}

.rowAnna{
max-width: 1275px;
border: 0px solid yellow;
margin: auto;
}
.rowAnna:after {
  content: "";
  display: table;
  clear: both;
}

[class*="colAn"]{
  width: 80%;
  float: left;
  padding: 10px;
}

@media only screen and (min-width: 960px) {
  .colAnna-1{
  display: block;
  width: 25%;
  }
  .colAnna-2{
  display: block;
  width: 55%;
  }
  .Anna3{
  display: none;
  }
  .Felix{
display: none;
}
  
}

@media only screen and (min-width: 100px) {
.colAnna{
float: none;
margin: auto;
}
}