body {
font-family: Arial, sans-serif;
max-width:1000px;
margin:auto;
padding:40px;
line-height:1.6;
background:#111;
color:white;
}

h1 {font-size:3rem;}

.button, button {
background:#2563eb;
color:white;
padding:15px 25px;
border-radius:8px;
text-decoration:none;
border:0;
cursor:pointer;
}

.grid {
display:grid;
grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
gap:20px;
}

.grid div {
padding:25px;
background:#222;
border-radius:10px;
}

input {
display:block;
margin:10px 0;
padding:12px;
width:100%;
}