* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  width: 100%;
  height: 100%;
  background-image: url(../img/back.jpg);
}

.phoneDemo {
  width: 375px;
  height: 667px;
  position: absolute;
  left: 35%;
  top: 10%;
}

.phoneScreen {
  width: 375px;
  height: 667px;
  border: none;
  border-radius: 30px;
  z-index: 1000;
  position: absolute;
  left: 5%;
  top: 2%;
}

.iframe {
  overflow-clip-margin: content-box !important;
  overflow: clip !important;
}

.phone {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 418px;
  height: 700px;
}

img {
  overflow-clip-margin: content-box;
  overflow: clip;
}