*,
*:before,
*:after {
  box-sizing: border-box;
}
body {
  padding: 1em;
  font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  font-size: 15px;
  color: #555;
  background-color: #e3e3e3;
}
h4 {
  color: #7ed321;
}
input {
  color: #333;
  width: 100%;
  padding: 1em;
  line-height: 1.4;
  background-color: #f9f9f9;
  border: 1px solid #e5e5e5;
  border-radius: 3px;
  -webkit-transition: 0.35s ease-in-out;
  -moz-transition: 0.35s ease-in-out;
  -o-transition: 0.35s ease-in-out;
  transition: 0.35s ease-in-out;
  transition: all 0.35s ease-in-out;
}
input:focus {
  outline: 0;
  border-color: #00a79d;
}
input[type="submit"] {
  background: #00a79d;
  color: white;
}
::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
    color: #ccc;
    opacity: 1; /* Firefox */
}

:-ms-input-placeholder { /* Internet Explorer 10-11 */
    color: #ccc;
}

::-ms-input-placeholder { /* Microsoft Edge */
    color: #ccc;
}

#join-form {
  position: absolute;
  margin: auto;
  width: 280px;
  height: 120px;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  text-align: center;
}

#join-button {
  margin-top: 5px;
}

#chat-header {
  position: fixed;
  top: 20px;
  left: 20px;
  right: 20px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  color: #ffffff;
  background-color: #999;
  margin: 0;
}

#chat-elements {
  position: fixed;
  top: 62px;
  left: 36px;
  right: 20px;
  bottom: 90px;
  overflow-y: scroll;
  overflow-x: hidden;
}

#chat-input-area {
  background-color: #e3e3e3;
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
}

#chat-input { width: 80%; }
#chat-send-button {
  display: inline-block;
  width: 19%;
}

#user-label {
  float: left;
  padding-left: 16px;
}

#code-link {
  float: right;
  margin-right: 16px;
}

@media(max-width: 759px) {
  body {
    padding: 0;
  }
  #chat-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 2;
  }
  #chat-elements {
    position: relative;
    z-index: 1;
  }
  #chat-elements {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    opacity: 1;
    overflow-y: auto;
    overflow-x: auto;
  }
  #chat-log {
    padding-top: 40px;
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: 60px;
  }
  #chat-input-area {
    z-index: 1;
    left: 0;
    right: 0;
    bottom: 0;
  }
  #send-form {
    position: relative;
    display: block;
    left: 6px;
    right: 6px;
    bottom: 6px;
  }
  #chat-input { width: 74%; }
  #chat-send-button { width: 22%; }
}