*{
  box-sizing:border-box;
}

body{
  margin:0;
  min-height:100vh;
  overflow:hidden;
  font-family:'Cairo',Tahoma,sans-serif;
  background:#f4faf6;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
}

.splash-art{
  position:fixed;
  inset:0;
  z-index:1;
  overflow:hidden;
  background:#f4faf6;
}

.splash-art picture,
.splash-art img{
  display:block;
  width:100%;
  height:100%;
}

.splash-art img{
  object-fit:cover;
  object-position:center;
}

.install-box{
  position:fixed;
  left:18px;
  right:18px;
  bottom:24px;
  z-index:5;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
  text-align:center;
}

.install-box[hidden]{
  display:none;
}

.install-btn{
  border:0;
  border-radius:999px;
  padding:13px 22px;
  background:#0b7f47;
  color:#fff;
  font-family:inherit;
  font-size:16px;
  font-weight:900;
  box-shadow:0 12px 26px rgba(6,79,49,.28);
  cursor:pointer;
}

.install-note{
  color:#064f31;
  font-size:13px;
  font-weight:800;
  background:rgba(255,255,255,.72);
  padding:6px 10px;
  border-radius:999px;
}