#parent{
    display: flex;
    height: 650px;
    justify-content: center;
    background-color: rgb(243,243,243);
   background-image: url('https://adn-static1.nykaa.com/media/wysiwyg/2018/WallofColors/shopbycolor.jpg');
 
   
}
#parent>div{
    width: 27%;
    height: 550px;
    margin-top: 60px;
   border: 1px solid gainsboro;
   background-color:rgb(241, 232, 240) ;
    text-align: center;
    justify-content: center;
   font-size: 16px;
    box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
    border-radius: 20px 20px 20px 20px;
   
   
}
#number{
    display: flex;
    width: 80%;
    height: 40px;
  
 text-align: center;
 margin-top: 30px;
 margin-left: 33px;
 background-color: rgb(243,243,243);
 border: 1px solid #bdbbbb;

}
#button{
    width: 75%;
    height: 50px;
    margin-top: 50px;
    color: white;
    font-size: 16px;
    margin-bottom: 50px;
   background-color: rgb(252,39,121);
   border: none;
   border-radius: 5px 5px 5px 5px;
}
#number2{
    display: flex;
    width: 80%;
    height: 40px;
  
 text-align: center;
 margin-left: 33px;
 margin-top: 20px;
 background-color: rgb(243,243,243);
 border: 1px solid #bdbbbb;
}
i {
    font-size: 30px;
    margin-bottom: 50px;
}
body{
   font-family: 'Trebuchet MS', sans-serif;
}

@media only screen and (max-width: 768px) {
    #parent > div {
        width: 70%;
    }
    
    #number,
    #number2 {
        width: 90%;
    }
}

@media only screen and (max-width: 480px) {
    #parent > div {
        width: 80%;
    }
    
    #number,
    #number2 {
        width: 70%;
    }
}