@media only screen 
  and (min-device-width: 320px) 
  and (max-device-width: 480px)
 {
.hero-img{
    display: none;
}
.hero-img-mobile img{
    width: 100%;
    display: block;
}
.buttons {
    flex-direction: column;
}
.rectangle{
    background-image: none;
    margin-left: 0px;
    width: 100%;
    padding-bottom: 20px;
}
.app-download img {
    width: 45%;
    margin-left: 20px;
}
.d-flex{
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}
.g-play img{
    width: 190%;
}
.testimonial-images{
    flex-direction: column;
}
.testimonial-images img{
width: 100%;
margin-bottom: 20px;}
.mobile-buttons{
    display: block;
}
.md-flex{
display: flex;
}
.m-l{
    margin-left: 10px;
}
.buttons{
    display: none;
}
.header ul{
    padding-left: 0px;
    float: left;
}
.main-rectangle h2{
    font-size: 35px;
}
.testimonial h2{
    font-size: 35px;
}
.footer-icons img{
    width:50%;
}
.section-heading{
    font-size: 35px;
}
.main-hero h1{
    font-size: 35px;
}
.know-more{
    margin-bottom: 0px;
}
.contact-form{
    width: 100%;
}
textarea{
    width: 96%;
}
}