.iPad-simulator {
    position: absolute; /* top: 50%; margin-top: -444px; */
    left: 50%; margin-left: -572px; 
    width: 1024px; height: 768px; border-radius: 30px;
    padding: 0; border: 60px solid #f8f6f4;
    box-shadow: 5px 5px 20px #000000;
}

.iPad-simulator:after {
    content: ""; position: absolute; top: 364px; height: 40px;
    width: 40px; left: 1034px; background: #f2f0ed; border-radius: 20px;
    box-shadow: inset 5px 5px 10px #a0a0a0;
}