/* Developed by Mark Caron - Medium.com */
/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Button styling */
.menu-toggle {
  display: inline-block;
  padding: .75em 15px;
  line-height: 1em;
  font-size: 1em;
  color: #000;
}
.menu-toggle:hover,
.menu-toggle:focus {
  color: #fff;
}

/*
 Default styles + Mobile first
 Offscreen menu style
*/
.main-menu {
  position: absolute;
  left: -200px;
  top: 0;
  height: 100%;
  overflow-x: visible;
  transition: left 0.3s ease,
              box-shadow 0.3s ease;
  z-index: 999;
}

.main-menu ul {
  list-style: none;
  margin: 0;
  padding: 2.5em 0 0;
  /* Hide shadow w/ -8px while 'closed' */
  -webkit-box-shadow: -8px 0 8px rgba(0,0,0,.5);
     -moz-box-shadow: -8px 0 8px rgba(0,0,0,.5);
          box-shadow: -8px 0 8px rgba(0,0,0,.5);
  min-height: 100%;
  width: 200px;
  background: #666;
}

.main-menu a {
  display: block;
  padding: .75em 15px;
  line-height: 1em;
  font-size: 1em;
  color: #fff;
  text-decoration: none;
}

.main-menu li:first-child a {
  border-top: 1px solid #383838;
}

.main-menu a:hover,
.main-menu a:focus {
  background: #4183c4;
  text-decoration: none;
}

.main-menu .menu-close {
  position: absolute;
  right: 0;
  top: 0;
}


/*
 More to come here...
*/


/*
 Demo purposes only
*/
*,
*:before,
*:after {
  box-sizing: border-box;
}

header {
/*  padding: 20px; */
  display: flex;
  align-items: baseline;
}

article {
  padding: 30px;
  width: auto;
  font-size: 16px;
  line-height: 1.5em;
}

article h2 {
  font-weight: 500;
  font-size: 28px;
}

.logo {
  margin: 0 30px 0 10px;
  font-size: 1.5em;
  color: #fff;
  text-align: left;
}