body { 
    font-family: Arial, sans-serif; 
    margin:0; 
    color:#222; 
    line-height:1.6;
}
header { 
    background:#111; 
    color:#fff; 
    padding:60px 20px; 
    text-align:center;
}
section { 
    padding:40px 20px; 
    max-width:1000px; 
    margin:auto;
}
h1,h2,h3 { 
    margin-bottom:15px;
}
.btn { 
    display:inline-block; 
    padding:12px 20px; 
    margin:10px 5px; 
    background:#007bff; 
    color:#fff; 
    text-decoration:none; 
    border-radius:4px;
}
.btn.alt { 
    background:#333; 
}
.grid { 
    display:grid; 
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); 
    gap:20px;
}
form { 
    max-width:600px; 
    margin:auto; 
}
input, select, textarea {
    width:100%; 
    padding:10px; 
    margin-bottom:15px;
    border:1px solid #ccc; 
    border-radius:4px;
}
button { 
    width:100%; 
    padding:12px; 
    background:#007bff; 
    color:#fff; 
    border:none; 
    border-radius:4px; 
    font-size:16px; 
}
footer { 
    background:#f4f4f4; 
    padding:20px; 
    text-align:center; 
    font-size:14px;
}
.cntr {
    text-align: center;
}
.add {
    border: 2px solid black; 
    padding: 4px;
}