html,
body {
  position: relative;
  width: 100%;
  height: 100%;
}
.startpage {
  width: 100%;
  height: 100%;
  background: url(../images/index.jpg) no-repeat center 85px;
  background-size: 100% 100%;
}
.startpage .items {
  position: absolute;
  top: 60%;
  left: 50%;
  display: flex;
  justify-content: space-between;
  width: 561px;
  transform: translateX(-50%);
}
.startpage footer {
  position: absolute;
  bottom: 10px;
  width: 100%;
  color: #fff;
  font-size: 14px;
  text-align: center;
}