.f{
width: 1500pxpx;
height: 700px;
display: flex;

background-color: whitesmoke;
}

#ma{
width: 350px;
height: 200px;

margin-top: 200px;
margin-left:250px ; 

}  
#main{
width: 450px;
height: 400px;
border: 3px solid rgb(238, 236, 236); 
margin-top: 130px;
border-radius: 10px;
background-color: white;

}
#colour{
color: blue;
font-size: 40px;

}
input{
    height: 50px;
    width: 400px;
    margin-left: 20px;
    border-radius: 10px;
padding-left: 15px;
border: 1px solid rgb(212, 201, 201);
   
}
button{

    background-color: blue;
     height: 50px;
    width: 420px;
    margin-left: 20px;
    border-radius: 10px;
    color: white;
    font-weight: bolder;
    font-size: larger;
    border: none;
}
a{
    padding-left: 180px;
 text-decoration: none;
}
#line{
       width: 400px;
       padding-left: 24px;
}
#b{
background-color: rgb(5, 232, 5);
width: 210px;
margin-left:130px ;
border-radius:10px;
border: none;

}