*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Arial, sans-serif;
}

body{
background:#ffffff;
padding:0px;
}

.container{

max-width:900px;
margin:auto;

background:#fff;

padding:30px;

border-radius:12px;

box-shadow:0 0 20px rgba(0,0,0,0.15);

}

h2{

text-align:center;

color:#0b2d67;

margin-bottom:25px;

}

h3{

background:#0b2d67;

color:#fff;

padding:10px;

margin-top:20px;

margin-bottom:15px;

border-radius:5px;

}

label{

display:block;

font-weight:bold;

margin-top:12px;

margin-bottom:5px;

}

input,
select,
textarea{

width:100%;

padding:12px;

border:1px solid #ccc;

border-radius:5px;

font-size:15px;

}

textarea{
height:100px;
}

button{

width:100%;

margin-top:25px;

padding:15px;

background:#ff6600;

color:white;

border:none;

font-size:18px;

font-weight:bold;

cursor:pointer;

border-radius:5px;

}

button:hover{
background:#e45a00;
}

#message{

text-align:center;

font-weight:bold;

font-size:20px;

margin-top:20px;

color:green;

}

@media(max-width:768px){

.container{
padding:20px;
}

}