* margin:0; padding:0; box-sizing:border-box; font-family:Arial,Helvetica,sans-serif; body background:#0b1020; color:#fff; line-height:1.6; .container max-width:900px; margin:auto; padding:20px; .hero text-align:center; padding:50px 20px; .hero h1 font-size:42px; margin-bottom:15px; color:#00ffae; .hero p font-size:18px; color:#ddd; max-width