* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, sans-serif;
}

.menu-toggle {
  font-size: 1.5rem;
  padding: 15px;

  background-color: rgb(116, 12, 12);
  color: white;
  cursor: pointer;
  position: fixed;
  top: 10px;
  right: 10px;
  z-index: 1001;
  border-radius: 4px;
}

.sidebar {
  position: fixed;
  top: 0;
  right: -260px;
  width: 250px;
  height: 100%;

  background-color: rgb(116, 12, 12);
  color: white;
  transition: right 0.3s ease;
  padding-top: 60px;
  z-index: 1000;
}

.sidebar.active {
  right: 0;
}

.sidebar ul {
  list-style: none;
}

.sidebar ul li {
  border-bottom: 1px solid #333;
}

.sidebar ul li a {
  color: white;
  text-decoration: none;
  display: block;
  padding: 15px 20px;
  cursor: pointer;
}

.sidebar ul li a:hover {
  background-color: #333;
}

.submenu {
  display: none;
  background-color: #333;
}

.submenu li a {
  padding-left: 40px;
}

li.open .submenu {
  display: block;
}