@font-face {
  font-family: 'simplebird';
  font-weight: normal;
  font-style: normal;
  src: url("../fonts/simplebird.eot");
  src: url("../fonts/simplebird.eot?#iefix") format("embedded-opentype"), url("../fonts/simplebird.woff") format("woff"), url("../fonts/simplebird.ttf") format("truetype"), url("../fonts/simplebird.svg#simplebird") format("svg");
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-size: 10px;
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  background: #eaeaea;
}

h1, h2, h3, h4, h5 {
  font-size: 1rem;
  font-weight: normal;
  text-rendering: optimizelegibility;
  margin: 0;
  padding: 0;
}

ul, dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

a {
  color: #25b2e6;
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.hidden {
  opacity: 0;
}

.atname {
  text-decoration: none;
}
.atname:before {
  content: '@';
  text-decoration: none !important;
}

[data-icon] {
  font-family: 'simplebird';
  content: attr(data-icon);
  speak: none;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
}

header {
  background: #2c2c2c;
  background: -webkit-linear-gradient(top, #333333 0%, #1e1e1e 100%);
  /* Webkit */
  background: linear-gradient(to bottom, #333333 0%, #1e1e1e 100%);
  /* W3C */
  color: #fff;
  padding: 1rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25), inset 0 -1px 0 rgba(0, 0, 0, 0.1);
}
header hgroup {
  max-width: 560px;
  min-width: 320px;
  margin: 0 auto;
  position: relative;
}
@media screen and (max-width: 600px) {
  header hgroup > *:first-child {
    margin-left: 10px;
  }
  header hgroup > *:last-child {
    margin-right: 10px;
  }
}
header a {
  font-size: 2em;
  font-weight: 200;
  color: #fff;
}
header a:hover {
  text-decoration: none;
}
header .newtweet {
  background: #3476b3;
  background: -webkit-linear-gradient(top, #7db7e9 0%, #3476b3 100%);
  /* Webkit */
  background: linear-gradient(to bottom, #7db7e9 0%, #3476b3 100%);
  /* W3C */
  padding: 0.5em 0.6em;
  font-size: 1.5em;
  border-radius: .25em;
  box-shadow: 0 1px 1px #1e1e1e, inset 0 1px 1px rgba(255, 255, 255, 0.3);
  position: absolute;
  right: 0;
  top: -0.3rem;
}

#main {
  background: #fff;
  border-radius: .5em;
  border: 1px solid #dddddd;
  margin: 3rem auto;
  font-size: 1.5rem;
  position: relative;
  overflow: hidden;
  max-width: 560px;
  min-width: 320px;
}
@media screen and (max-width: 600px) {
  #main {
    border-width: 1px 0;
    border-radius: 0;
    max-width: 100%;
    margin: 1em 0 1em;
  }
}

nav {
  position: relative;
  z-index: 2;
  padding: 1.5rem 20px;
  border-bottom: 1px solid lightgrey;
  background: #fff;
  border-top-left-radius: .5em;
  border-top-right-radius: .5em;
  -webkit-transform: translateZ(0);
  -webkit-transition: box-shadow 0.3s ease;
  -moz-transition: box-shadow 0.3s ease;
  -ms-transition: box-shadow 0.3s ease;
  -o-transition: box-shadow 0.3s ease;
  transition: box-shadow 0.3s ease;
}
nav button {
  background: #e2e2e2;
  border: 1px solid lightgrey;
  border-radius: 10em;
  color: #fff;
  font-size: 1.5em;
  padding: 0.1em;
  position: absolute;
  top: 1.5rem;
  z-index: 1;
  cursor: pointer;
}
nav button#prev {
  left: 20px;
}
@media screen and (max-width: 600px) {
  nav button#prev {
    left: 10px;
  }
}
nav button#next {
  right: 20px;
  text-indent: 0.1em;
  padding-right: 0;
}
@media screen and (max-width: 600px) {
  nav button#next {
    right: 10px;
  }
}
@media screen and (max-width: 430px) {
  nav button {
    font-size: 1em;
  }
}
nav dt {
  text-align: center;
  font-size: 2em;
  font-weight: 600;
  line-height: 1em;
  position: relative;
  top: 0.1em;
}
@media screen and (max-width: 430px) {
  nav dt {
    font-size: 1.3em;
  }
}
nav dt em {
  font-size: 2rem;
  font-weight: 200;
  font-style: normal;
  color: #aaa;
}
@media screen and (max-width: 430px) {
  nav dt em {
    font-size: 0.7em;
  }
}
nav #toggle_history {
  position: absolute;
  width: 30px;
  height: 30px;
  left: 50%;
  bottom: -15px;
  margin-left: -15px;
  z-index: 2;
  font-family: "simplebird";
  font-size: 1.4em;
  text-align: center;
  color: #a4a4a4;
  line-height: 1.4em;
  background: #fff;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}
nav #toggle_history:hover {
  color: #666;
  text-decoration: none;
}

section {
  padding: 20px;
  background: #fff;
  border-bottom-left-radius: .5em;
  border-bottom-right-radius: .5em;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  -webkit-transition: -webkit-transform 0.3s ease;
  -moz-transition: -webkit-transform 0.3s ease;
  -ms-transition: -webkit-transform 0.3s ease;
  -o-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  -webkit-transform: translateZ(0);
}
@media screen and (max-width: 600px) {
  section {
    padding: 20px 10px;
  }
}
section .tweet {
  display: table;
  padding-bottom: 1em;
  margin-bottom: 1em;
  border-bottom: 1px solid #efefef;
  position: relative;
  width: 100%;
}
section .tweet:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}
section .tweet .avatar {
  border-radius: 0.5rem;
  display: table-cell;
  vertical-align: top;
  margin-right: 10px;
}
@media screen and (max-width: 600px) {
  section .tweet .avatar {
    width: 40px;
    height: 40px;
    margin-right: 10px;
  }
}
section .tweet .tweet_body {
  display: table-cell;
  vertical-align: top;
  width: 100%;
}
section .tweet .tweet_info {
  display: table;
  width: 100%;
  line-height: 1em;
}
section .tweet .user {
  display: table-cell;
}
section .tweet .user a {
  color: #222;
  font-weight: 500;
}
section .tweet .user a span {
  color: #aaa;
  font-weight: 200;
  font-size: 0.9em;
}
section .tweet .user a:hover {
  text-decoration: none;
}
section .tweet .user a:hover span {
  text-decoration: underline;
}
section .tweet a.permalink {
  display: table-cell;
  text-align: right;
  font-size: 0.8em;
  font-weight: 500;
  color: #222;
}
section .tweet .content {
  margin: 0.5em 0;
}
section .tweet .retweeted {
  font-size: 0.8em;
  font-weight: 200;
  margin-top: -0.25em;
}
section .tweet .retweeted, section .tweet .retweeted a {
  color: #aaa;
}
section .tweet .retweeted:before {
  content: "\e001";
  font-family: 'simplebird';
  font-size: 1.2em;
  position: relative;
  top: 0.15em;
  margin-right: 0.2em;
}
section .tweet .tweet_footer {
  margin-top: 0.5em;
  display: table;
  width: 100%;
}
section .tweet .tweet_footer > * {
  display: table-cell;
  vertical-align: top;
}
section .tweet .metadata {
  margin: 0;
  width: 100%;
  line-height: 1.2em;
}
section .tweet .metadata, section .tweet .metadata a {
  font-size: 1.3rem;
  color: #333;
}
section .tweet .metadata a {
  font-weight: 500;
}
section .tweet .metadata .replyto {
  font-weight: 400;
}
section .tweet .metadata .replyto span {
  font-weight: 500;
}
section .tweet .tweet_actions {
  font-family: simplebird;
  font-size: 1.2em;
  margin: 0;
  position: relative;
  top: -0.1em;
}
section .tweet .tweet_actions a {
  color: #aaa;
  margin-left: 0.4em;
}
section .tweet .tweet_actions a:hover {
  text-decoration: none;
}

#tweet_history {
  position: absolute;
  padding: 20px;
  background: #fff;
  max-height: 17em;
  overflow-y: auto;
  -webkit-transform: translateZ(0);
}
@media screen and (max-width: 430px) {
  #tweet_history {
    padding: 10px;
  }
}
#tweet_history, #tweet_history ol {
  list-style: none;
  margin: 0;
  width: 100%;
}
#tweet_history h2 {
  color: #333;
  font-size: 1.2em;
  font-weight: 600;
}
#tweet_history .tweet_year {
  margin-bottom: 1em;
}
#tweet_history .tweet_year:last-child {
  margin-bottom: 0;
}
#tweet_history .tweet_year:not(.active) {
  opacity: .5;
}
#tweet_history .tweet_year:not(.active):hover {
  opacity: 1;
}
#tweet_history .tweet_months {
  display: table;
  padding: 0;
}
#tweet_history .tweet_months .bar {
  display: table-cell;
  padding-right: 3px;
}
#tweet_history .tweet_months .bar a {
  display: block;
  background: #94ddf8;
  height: 2em;
}
#tweet_history .tweet_months .bar .count_bar {
  background: #f8f8f8;
  display: block;
  height: 2em;
}
#tweet_history .tweet_months .bar.active a {
  background: #25b2e6;
}
#tweet_history .tweet_months .bar.active .count_bar {
  background: #dddddd;
}

.menu_open section {
  -webkit-transform: translateY(17em);
  border-top: 1px solid lightgrey;
}
.menu_open section, .menu_open nav {
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.menu_open #tweet_history {
  -webkit-overflow-scrolling: touch;
}

footer {
  text-align: center;
  font-size: 1.3em;
  color: #bbb;
  padding-bottom: 1em;
}
footer a {
  color: #bbb;
  text-decoration: underline;
}