#multipleRadiobuttons {
  margin:20px 0px 0px 150px;
  line-height:1.7;
}

#letter {
  margin-left:100px;
}

#multipleRadiobuttonsCheck, #multipleRadiobuttonsNext {
  margin-left:85%;
  margin-top:40px;
  margin-bottom:30px;
}

#multipleRadiobuttonsErrorMessage {
  margin-top:-53px;
  width:70%;
  margin-bottom:30px;
}

@media only screen and (max-width: 830px) {
  #letter{
    margin-left: 10px;
  }

  #multipleRadiobuttons {
    margin-left:50px;
  }
}