body{
font-family:Arial;
text-align:center;
background:#f5f5f5;
}

h1{
color:#111;
}

input{
padding:10px;
width:250px;
}

button{
padding:10px 15px;
margin:10px;
cursor:pointer;
background:black;
color:white;
border:none;
}

.card{
background:white;
margin:20px;
padding:15px;
border-radius:10px;
}