body{font-family:Arial;background:#eef2f6;margin:0;padding:20px;}
.container{max-width:800px;margin:auto;background:white;padding:30px;border-radius:10px;box-shadow:0 0 20px rgba(0,0,0,0.15);}
h1{text-align:center;color:#163a6b;}
label{display:block;margin:10px 0;}
input{padding:5px;width:90%;margin-top:3px;}
button{margin:10px 0;padding:10px;background:#163a6b;color:white;border:none;border-radius:5px;cursor:pointer;}
button:hover{background:#0f2850;}