/*** Einige Defaults ***/
html                 { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }

.hidden       { display: none; }
.clear        { clear: both; }
.help         { cursor: help; }
.comment      { color: #999; font-style: italic; }
.highlight    { color: #fff; background-color: #009; }
label, legend { cursor: pointer; }

body, header, menu, div, ul, li {
  margin: 0;
  padding: 0;
}

body {
  background-color: #efefef;
  color: #000;
  font-family: Trebuchet MS, Verdana, Roboto, sans-serif;
}

a {
  color: #33c;
  text-decoration: none;
  transition: 0.2s ease-out 0s;
}

a:focus, a:active, a:hover, a.active {
  color: #00f;
  text-decoration: underline;
}


/*** Layout-Elemente ***/

body > * {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
}

/* Header und Balken-Menü */
header {
  text-align: center;
}

/* Waagerechter Strich unter Header und Nav */
header::after, nav::after {
  content: "";
  height: 1px;
  width: 80%;
  background-color: #ccc;
  margin: 20px auto;
}

header menu {
  float: left;
  margin-top: 15px;
  margin-bottom: 5px;
  margin-left: 10px;
}

header menu a.menu {
  display: inline-block;
  width: 30px;
  cursor: pointer;
}

header menu a.menu span {
  display: block;
  height: 3px;
  background-color: #000;
  margin-bottom: 4px;
  border-radius: 5px;
}

header menu nav {
  display: none;
  position: absolute;
  left: 0;
  width: 100%;
  padding-left: 25px;
  padding-bottom: 15px;
  background-color: #808080;
  border-bottom: 1px solid #960;
}

header menu nav li {
  padding-bottom: 5px;
}

/* Menu-Interaction */
header menu:focus  nav,
header menu:hover  nav,
header menu:active nav {
  display: block;
}

/* Nav */
nav.horizontal ul {
  list-style-type: none;
  display: flex;
  justify-content: center;
}

nav.horizontal li a {
  margin: 10px;
  padding: 5px 10px;
  border-radius: 2px;
}

nav.horizontal a:focus,
nav.horizontal a:hover,
nav.horizontal a:active,
nav.horizontal a.active {
  background-color: #33c;
  color: #fff;
  text-decoration: none;
}



/* Footer */
footer {
  color: #999;
}

/* Seiten-Inhalt/Content */
div.content {
  color: #fff;
  min-height: 300px;
  padding: 30px;
}

div.content p {
  margin-bottom: 20px;
}

div.content ul {
  margin-left: 20px;
  margin-bottom: 20px;
}

/* Clearfixes */
header::after, nav::after, main::after, footer::after {
  content: "";
  clear: both;
  display: table;
}


/*** Breakpoints ***/
.phone_only                  { display: none; }
.tablet_only                 { display: none; }

/* Large/Desktop */
@media (max-width: 1199px) {
  .nodesktop                 { display: none; }
  nav.horizontal li          { margin: 12px 25px; }
  div.content                { padding: 25px; }
  footer nav.horizontal li   { margin: 10px 25px; }
}

/* Medium */
@media (max-width: 991px) {
  nav.horizontal li          { margin: 10px 15px; }
  div.content                { padding: 15px; }
}

/* Small/Tablet */
@media (max-width: 767px) {
  .notablet                  { display: none; }
  .tablet_only               { display: block; }
  div.inner_wrapper          { margin: 0 40px; }
  nav.horizontal li          { margin: 8px 10px; }
  div.content                { padding: 10px; }
}

/* X-Small/Phone */
@media (max-width: 600px) {
  .nophone                   { display: none; }
  .phone_only                { display: block; }
  div.inner_wrapper          { margin: 0; }
  div.float, div.float.small { width: 40%; }
}