iframe , .contacts{
  display:inline-block;
  margin-top:5%;
}

iframe{
  margin-left:25%;
  width:25%;
  height:auto;
}

.contacts{
  width:20%;
  margin-left:5%;
  margin-right:25%;
}

.contacts p{
  font-family: 'Thasadith', sans-serif;
  line-height:1.8;
  font-size:18px;
}

.collage{
  margin-top:5%;
}

.collage div{
  margin-bottom:0%;
}

 @media only screen and (max-width:850px){

.collage div:nth-child(1){
  height:5%;
}

.collage div:nth-child(2){
  height:10%;
}

.collage div:nth-child(3){
  margin-top:5%;
  height:15%;
}

iframe , .contacts{
  display:block;
}

.contacts{
  width:90%;
  margin-top:5%;
  margin-left:5%;
}

.contacts p{
  font-family: 'Thasadith', sans-serif;
  text-align:center;
  line-height:1.8;
  font-size:21px;
}

iframe{
  margin-left:5%;
  width:90%;
  height:auto;
}

 }