@media(max-width:768px){
.main-contact-us{
    flex-direction: column;
    height: auto;
    align-items: center;
} 
.main-contact-us .contact-us-left .heading h4{
    font-size: 30px;
}  
.main-contact-us .contact-us-left .para{
    font-size: 15px;
} 
}
@media(max-width:503px){
  .main-contact-us .contact-us-left{
    width: 360px;
  }  
}
@media(max-width:479px){
 .main-contact-us .contact-us-right{
    width: 380px;
 }   
}
@media(max-width:437px){
  .main-contact-us .contact-us-right{
    width: 365px;
 } 
 .main-contact-us .contact-us-left{
    width: 300px;
 }     
}