.eg-box {
    max-width: 500px;
    margin: 30px auto;
    padding: 25px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 0 12px rgba(0,0,0,0.1);
}
.eg-step { display: none; }
.eg-step.active { display: block; }
button { margin-top: 15px; }
label { display: block; margin-top: 10px; }