body{
font-family:Arial;
background:#f4f6f9;
padding:40px;
}

.container{
background:white;
padding:30px;
max-width:900px;
margin:auto;
border-radius:10px;
box-shadow:0 0 10px rgba(0,0,0,0.1);
}

input{
padding:10px;
width:70%;
}

button{
padding:10px 20px;
background:#0073ff;
color:white;
border:none;
}

h1,h2,h3{
color:#333;
}