.menu-btn {  position: fixed;  display: -webkit-flex;  display: flex;  height: 50px;  width: 50px;  z-index: 1000;  background-color: #a9a9a9;  border-radius: 30px;  -webkit-border-radius: 30px;  -moz-border-radius: 30px;  }.menu-btn span,.menu-btn span:before,.menu-btn span:after {  background-color: #ffffff;  }.menu-btn span:before {  background-color: #ffffff;  }.menu-btn span:after {  background-color: #ffffff;  }#menu-btn-check:checked ~ .menu-content {  left: 0;  }#menu-btn-check {  display: none;  }/* -------------------------------------------- *//* -------------------------------------------- */.menu-content {  width: 100%;  background-color: #a9a9a9;  }.menu-content ul {  padding: 70px 10px 0;  }.menu-content ul li a {  font-size: 1.1em;  }.menu-content ul li a:hover {  color: #ffffff;  }