* {
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
  margin: 0;
}
.start {
  background: url('https://avatars.mds.yandex.net/i?id=37cee65fd2d483edcaa7a5d374d378e2_l-4571838-images-thumbs&n=13') no-repeat center center/cover;
 
  position: absolute;
  top: -30px;
  left: -30px;
  width: calc(100vw + 60px);
  height: calc(100vh + 60px);
  z-index: -1;
  filter: blur(0px);
}
.loading-text {
  font-size: 50px;
  color: rgb(67, 171, 35);
}