html, body {
  height: 100%;
  margin: 0;
}

body {
  background-color: black;
  color: white;
  font-family: "Jersey 15", sans-serif;
  display: grid;
  grid-template-columns: 10% 20% auto 20% 10%;
  grid-template-rows: 20% auto 30% 10% 10%;
}

a {
color: white; 
text-decoration: none;
text-transform: uppercase;  
}

a:hover {
text-decoration: underline;
}

a:focus {
text-decoration: underline; 
}

.initialising {
  grid-column: 2 / 4;
  grid-row: 2 / 3;
  font-size: 2rem; 
}

.navbar {
  grid-column: 4 / 5;
  grid-row: 3 / 4;  
}

.bottompart {
grid-column: 2/4; 
grid-row: 4;
text-align: left;
}

#glow {
position: relative; 
bottom: 270px;
left: 50px;  
}

#rin {
position: relative;
bottom: -60px;  
}

/* Tablette : largeur ≥ 600px */
@media (min-width: 600px) {
 .initialising {
    font-size: 4rem;
    letter-spacing: 1rem; 
  }

  .navbar {
font-size: 2rem;
}
  
  
  .bottompart {
    font-size: 1.2rem;
  }
}

/* Desktop : largeur ≥ 1024px */
@media (min-width: 1024px) {
  .initialising {
    font-size: 6rem;
    letter-spacing: 1.5rem; 
  }

  .navbar {
font-size: 3rem;
}

  .bottompart {
    font-size: 1.5rem;
  }
}

.dots::after {
  content: '.';
  display: inline-block;
  width: 1.5em;
  text-align: left;
  animation: dots-appear 3s steps(3, end) infinite;
}

@keyframes dots-appear {
  0%   { content: '.'; }
  40%  { content: '..'; }
  80% { content: '...'; }
}