.header {
  
    background-color: #fff;
    box-shadow: 1px 1px 4px 0 rgba(0,0,0,.1);
    position: fixed;
    top:0;
    left:0;  
    width: 100%;
    z-index:1;
    float:left; 
  }

  .header .logo img {
    width: 70px; /* Defina o tamanho desejado em pixels */
    height: auto;
  }
  .header ul {
    
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
    background-color: #fff;
  }
  .header li a {
    display: block;
    padding: 0.7em 0.5em;
    text-decoration: none;
    transition:.3s;
    border-bottom: 1px #f7f7f7 solid;
    color:#242424;  
  }
  .header li a:hover,
  .header .btn-mobile:hover {
    background-color: rgba(0, 0, 0, 0.5);
    color:#fff; 
  }
  .header .logo {
   
    display: block;
    float: left;
  }
  .header .nav {
    clear: both;
    max-height: 0;
    transition: max-height .2s ease-out;
  }
  /* menu icon */
  .header .mobile-icon {
    cursor: pointer;
    display: inline-block;
    float: left;
    padding: 28px 20px;
    position: relative;
    user-select: none;
  }
  .header .mobile-icon .hamburguer {
    background: #333;
    display: block;
    height: 2px;
    position: relative;
    transition: .2s ease-out;
    width: 18px;
  }
  .header .mobile-icon .hamburguer:before,
  .header .mobile-icon .hamburguer:after {
    background: #333;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
  }
  .header .mobile-icon .hamburguer:before {
    top: 5px;
  }
  .header .mobile-icon .hamburguer:after {
    top: -5px;
  }
  /* menu btn */
  .header .mobile-btn {
    display: none;
  }
  .header .mobile-btn:checked ~ .nav {
    max-height: 240px;
  }
  .header .mobile-btn:checked ~ .mobile-icon .hamburguer {
    background: transparent;
  }
  .header .mobile-btn:checked ~ .mobile-icon .hamburguer:before {
    transform: rotate(-45deg);
  }
  .header .mobile-btn:checked ~ .mobile-icon .hamburguer:after {
    transform: rotate(45deg);
  }
  .header .mobile-btn:checked ~ .mobile-icon:not(.steps) .hamburguer:before,
  .header .mobile-btn:checked ~ .mobile-icon:not(.steps) .hamburguer:after {
    top: 0;
  }
  .container {
    width:100%;
    float:left;
    margin-top:100px;    
  }
  .content { 
    float:left; 
    width:92%; 
    margin:0 4%;  
   
  }
  /* 48em = 768px */
  @media (min-width: 48em) {
    
    .header li { float:left; }
    
    .header li a {
      
      padding: 15px 30px;
      margin-top: 10px;
      border-radius: 6px;
    
    }
    .header .nav {
      clear: none;
      float: right;
      max-height: none;
    }
    
    .header .mobile-icon { display:none; }
    .header li a {
    
      transition:.3s;
      border-bottom:0; 
    
    }
  }