.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 70px 150px 20px;
}
  
  .container .heading{
    width: 50%;
    padding-bottom: 50px;
  }
  .container .heading h3{
    font-size: 3em;
    font-weight: bolder;
    padding-bottom: 10px;
    border-bottom: 3px solid #222;
  }
  
  .container .heading h3 span{
    font-weight: 100;
  }
  .container .box{
   display: flex;
   flex-direction: row;
   justify-content: space-between;
  }
  
  .container .box .dream{
    display: flex;
    flex-direction: column;
    width: 32.5%;
  }
  
  .container .box .dream img{
    width: 100%;
    padding-bottom: 15px;
    border-radius: 5px;
  }
  
  .container .btn{
    margin: 40px 0 70px 0;
    background: #222;
    padding: 15px 40px ;
    border-radius: 5px;
  }
  
  .container .btn a{
   color: #fff;
   font-size: 1.2em;
   text-decoration: none;
   font-weight: bolder;
   letter-spacing: 3px;
  }
  
@media only screen and (max-width: 769px){
    .container .box{
        flex-direction: column;
    }
  
    .container .box .dream{
        width: 100%;
    }
  }  
  
@media only screen and (max-width: 643px){
  .container .heading{
    width: 100%;
  }
  .container .heading h3{
    font-size: 1em;
  }
}

@media only screen and (max-width: 440px){
  .container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 70px 22px 20px;
  }
}