body {


  background-image: url("SEC_test_png.png");
}

.pattern1 {
  width: 60%;
  height: 60%;
  overflow: hidden;
}
 
.pattern1 img {
  width: auto;
  height: 470px;
  position: absolute;
  left: 30%;
  top: 25%;
}

.pattern2 img {
  width: auto;
  height: 376px;
  position: absolute;
  left: 38.5%;
  top: 36.9%;
}

.pattern3 img {
  width: auto;
  height: 60px;
  position: absolute;
  left: 78%;
  top: 48%;
}

.pattern4 img {
  width: auto;
  height: 60px;
  position: absolute;
  left: 46%;
  top: 80%;
}

.pattern5 img {
  width: auto;
  height: 60px;
  position: absolute;
  left: 12%;
  top: 49%;
}