* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html,
body {
  height: 100%;
  font-family: sans-serif;
  color: #fff;
}
.bg {
  position: fixed;
  inset: 0;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  z-index: -1;
}
.panel {
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.p1 {
  background-image: url("../img/naruto.jpg");
}
.p2 {
  background-image: url("../img/sasuke.png");
}
.p3 {
  background-image: url("../img/gaara.webp");
}
.text-box {
  padding: 16px 24px;
  border-radius: 12px;
  background: rgba(0,0,0,0.35); 
  box-shadow: 0 6px 18px rgba(0,0,0,0.4);
  text-align: center;
  display: inline-block;
}
.content {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 20px;
}
h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
}
p {
  font-size: 1.2rem;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.7);
}
@media (max-width: 700px) {
  .bg {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr 1fr 1fr;
  }
}