#header {
  padding: 72px 0 48px;
  line-height: 24px;
  line-height: 28px;
  text-align: left;
  border-bottom: 1px solid #ddd;
  padding: 10px;
  margin: 30px 0;

  h1 {
    margin: 12px 0 0;
    float: left;
    font-size: 18px;
    a {
      color: #000;
    }
  }
  .slack_button {
    float: right
  }
}

#header:before,
#header:after {
  content: "";
  display: table;
}
#header:after {
  clear: both;
}
#header {
  clear: both;
  *zoom: 1;
}