.product-device {
    position: absolute;
    right: 10%;
    bottom: -30%;
    width: 300px;
    height: 540px;
    background-color: #333;
    border-radius: 21px;
    transform: rotate(30deg);
}

.product-device::before {
    position: absolute;
    top: 10%;
    right: 10px;
    bottom: 10%;
    left: 10px;
    content: "";
    background-color: rgba(255, 255, 255, .1);
    border-radius: 5px;
}

.product-device-2 {
    top: -25%;
    right: auto;
    bottom: 0;
    left: 5%;
    background-color: #e5e5e5;
}