.tn {
  width: 64px;
  height: 48px;
}
body {
  font-family: "Avenir", sans-serif;
}

.grey-bg {
  background-color: #7f7f7f;
}

.flexbox {
  display:flex;
}

.flex {
  flex: 1;
}

.email {
  color: white;
}

/** LIGHTBOX MARKUP **/

.lightbox {
  /** Default lightbox to hidden */
  display: none;

  /** Position and style */
  position: fixed;
  z-index: 999;
  width: 100%;
  height: 100%;
  text-align: center;
  top: 0;
  left: 0;
  background: rgba(0,0,0,0.8);
}

.lightbox img {
  /** Pad the lightbox image */
  max-width: 90%;
  max-height: 80%;
  margin-top: 2%;
}

.lightbox:target {
  /** Remove default browser outline */
  outline: none;

  /** Unhide lightbox **/
  display: block;
}

.sidebar {
}

.sidebar-full {
  width: 100%;
}

.sidebar-logo {
  padding: 0.5em;
  background-color: #555;
  padding-left: 0.8rem;
  padding-top: 0.6rem;
}

.sidebar-title {
  padding: 0.5em;
  background-color: #6ab;
  padding-left: 0.8rem;
  padding-top: 0.1em;
  padding-bottom: 0.1em;
}

.title {
  margin-top: 0.4em;
  margin-bottom: 0.4em;
}

.sidebar-contact {
  padding: 0.5em;
  background-color: black;
  color: white;
  height: 100%;
  padding-left: 0.8rem;
  padding-top: 0.6rem;
}

@media only screen and (max-width: 681px) {
/* phone */

.top-container {
  /* cf ph2-ns flexbox */
  display: block;
}

.sidebar {
  /* fl w-100 w-50-ns grey-bg flex */
  display: block;
  width: 100%;
  background-color: black;
}

.content {
  /* fl w-100 w-50-ns pa2 */
  width: 100%;
  padding: 0.5rem;
  background-color: white;
}

}

@media only screen and (min-width: 680px) {
/* desktop */

.top-container {
  /* cf ph2-ns flexbox */
  display: flex;
}

.sidebar {
  /* fl w-100 w-50-ns grey-bg flex */
  float: left;
  width: 50%;
  display: flex;
  background-color: black;
}

.content {
  /* fl w-100 w-50-ns pa2 */
  float: left;
  width: 50%;
  padding: 0.5rem;
  background-color: white;
}

}

.announce {
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 180%;
  font-weight: bold;
}