* {
  box-sizing: border-box;
}
body {
  font-size: 14px;
}
.v3_2 {
  width: 100%;
  height: 1024px;
  background: rgba(7,0,0,1);
  opacity: 1;
  position: absolute;
  top: 0px;
  left: 0px;
  overflow: hidden;
}
.v41_2 {
  width: 800px;
  height: 450px;
  background: url("../images/v41_2.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  opacity: 1;
  position: absolute;
  top: 287px;
  left: 320px;
  overflow: hidden;
}