body{
    font-family: sans-serif;
    color: white;
    background-color: black;
}

header{
    font-size: 35px;
    padding: 30px;
    text-decoration: underline;
}

p{
    font-size: 25px;
}

a{
    font-size: 24px;
    color: rgb(0, 0, 0);
}

a:hover{
color: green;
}

footer{
font-size: 15px;
text-align: center;
padding: 50px;
clear: right;
}


.btn-neon {
  position: relative;
  display: inline-block;
  padding: 15px 35px;
  color: white;
  text-decoration: none;
  font-weight: bold;
  letter-spacing: 1px;

  border-radius: 12px;
  overflow: hidden;

  background: linear-gradient(135deg, rgb(14, 120, 0), #83ffa0);

  transition: 0.3s ease;

  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

/* 🔥 effet lumière qui traverse */
.btn-neon::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  
  background: linear-gradient(
    120deg,
    transparent,
    rgba(255,255,255,0.6),
    transparent
  );

  transition: 0.6s;
}

.btn-neon:hover::before {
  left: 100%;
}

/* 💥 hover = bouton qui sort */
.btn-neon:hover {
  transform: translateY(-8px) scale(1.05);

  box-shadow:
    0 20px 30px rgba(0,0,0,0.4),
    0 0 15px rgb(14, 120, 0),
    0 0 30px rgb(14, 120, 0);
}

/* ⚡ clic réaliste */
.btn-neon:active {
  transform: translateY(-2px) scale(0.98);
  box-shadow: 0 5px 10px rgba(0,0,0,0.3);
}


.btn-neon {
  background: linear-gradient(270deg,rgb(14, 120, 0), #83ffa0,rgb(14, 120, 0));
  background-size: 400% 400%;
  animation: gradientMove 6s ease infinite;
}

@keyframes gradientMove {
  0% { background-position: 0% }
  50% { background-position: 100% }
  100% { background-position: 0% }
}





.rubrique{
font-size: 40px;
text-align: center;
}

#conteneur{
    margin: auto;
    text-align: center;
}