@charset "UTF-8";
/* --------------------------------------------------
        General basic settings                              
 ----------------------------------------------------*/
html {
  box-sizing: border-box;
}
*, *::before, *::after {
  box-sizing: inherit; 
}
body {
   color: #1d2731;            /* Ivory Black*/
   background-color: #efefef; /* Neutral */
   font-family: Georgia; 
}
ul {
  padding: 0;
}
.wrapper {
   background-color: #ff3b3f; /* Watermelon */
}
/* ------------------------------------------------------------------
     CSS properties for mobile devices (smaller than 640 px)            
       + Arrange everything in one column below each other                                           
-------------------------------------------------------------------- */
.header {
   text-align: center;
   padding: 1em;
   background-color: #07889b; /* Teal */
   color: #efefef;            /* Neutral */  
   border-bottom: 1px solid #efefef;
}
.aside {
  border-top: 1px solid #a9a9a9;
  padding-top: 0.5em;
}
.footer {
   background-color: #a9a9a9; /* Carbon */
   color: #efefef;            /* Neutral */
   padding: 1em;
   text-align: center; 
   border-top: 1px solid #efefef;
}
.nav-ul {
   background-color: #ff383f; /* Watermelon */
   margin:0;
}
.nav-li {
   list-style: none;
   margin-left: 0;
   border-bottom: 1px solid #efefef;
}
.nav-li-a  {
    padding: 0.6em 2rem;
    display: block; 
}
.nav-ul a:link {
    text-decoration: none; 
}
.nav-ul a:link, .nav-ul a:visited {
   color: #fff; /* white*/
}
.nav-ul a:hover, .nav-ul a:focus, .nav-ul a:active {
   background-color: #000; /* Black */
   color: #efefef; /* Neutral */
}
.nav-active {
   color: #000; /* Black */
   background-color: #fff; /* White */
}
.container {
   background-color: #fff; /* weiss */
   padding: 2em 2rem;
}

/*-----------------------------------------------------   
     Tablet version from 640 pixels                          
       640px / 16px/em = 40em  
       + 2 columns
         - Header and navigation on top below each other
		 - Main content and sidebar next to each other
		 - Footer at the bottom
------------------------------------------------------*/
@media screen and (min-width: 40em) {
  .header {
    padding: 1.5em;
    text-align: left; 
  }
  .container {
    padding: 3rem 0;
    display: block;
    overflow: auto; 
  }
  .content {
    display: block;
    float: left;
    width: 65%;
    padding: 0 1rem 0 2rem; 
  }
  .aside {
    display: block;
    margin: 0 0 0 65%;
    width: 35%;
    padding: 0 2rem 0 2rem;
    border-top: none; 
  }
  .nav-ul {
    padding: 0 2rem;
    overflow: hidden;	
  }
  .nav-li {
      float: left;
      display: inline-block;
      border: none;
      width: auto; 
   }
   .nav-li-a{
     padding: 0.7em 1.2rem;
     display: inline-block;
    }
}