body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(to bottom, #007bff, #ffffff);
  color: #333;
}

.welcome {
  text-align: center;
  margin-top: 40px;
}
.welcome h1 {
  font-size: 28px;
  font-weight: bold;
  color: white;
}
.welcome p {
  font-size: 16px;
  margin-top: 20px;
  color: white;
}
.hero-image {
  width: 200px;
  margin-top: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

.facebook-logo {
  position: fixed;
  bottom: 10px;
  left: 10px;
}
.facebook-logo img {
  width: 40px;
  cursor: pointer;
  transition: transform 0.3s;
}
.facebook-logo img:hover {
  transform: scale(1.1);
}

.menu-auth, .menu-main {
  position: fixed;
  top: 10px;
  left: 10px;
  background: #f0f0f0;
  padding: 10px;
  border-radius: 5px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.menu-auth a, .menu-main a {
  display: block;
  margin: 5px 0;
  text-decoration: none;
  color: #333;
  font-weight: bold;
}
.menu-auth a:hover, .menu-main a:hover {
  color: #007bff;
}

.content {
  margin-left: 160px;
  padding: 20px;
}
.bloc {
  margin-bottom: 30px;
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
  background: #fafafa;
}
.protected {
  background: #ffe0e0;
  border: 1px solid #ff9999;
}
#contact img {
  width: 30px;
  margin-right: 10px;
  cursor: pointer;
  transition: transform 0.3s;
}
#contact img:hover {
  transform: scale(1.2);
}

/* Responsive mobile */
@media (max-width: 600px) {
  .menu-auth, .menu-main {
    position: static;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .content {
    margin-left: 0;
    padding: 10px;
  }
}