tunneler.css

body {
  background: linear-gradient(90deg, #161122 4px, transparent 1%) center, linear-gradient(#161122 4px, transparent 1%) center, #a799cc;
  background-size: 5px 5px;
  overflow: hidden;
}

.tun-client-view, .tun-e-bar, .tun-s-bar {
  margin: 10px;
  image-rendering: pixelated;
}

.tun-container, .tun-e-bar, .tun-s-bar, .tun-chat, .tun-chat-input, .tun-chat-send {
  border-style: solid;
  border-width: 10px;
  border-top-color: #aaaaaa;
  border-left-color: #aaaaaa;
  border-right-color: #444444;
  border-bottom-color: #444444;
  background: #888888;
}

.tun-container {
  margin: 10px;
  margin-top: 0px;
  padding: 10px;
  min-width: 260px;
  position: relative;
}

.tun-s-symbol, .tun-e-symbol, .tun-chat-symbol, .tun-e-bar, .tun-s-bar, .tun-chat-input, .tun-chat-send {
  position: absolute;
}

.tun-s-symbol, .tun-e-symbol, .tun-chat-symbol {
  margin: 10px;
  image-rendering: pixelated;
}

.tun-e-symbol {
  top:  10px;
  left: 0px;
}

.tun-s-symbol {
  top:  60px;
  left: 0px;
}

.tun-chat-symbol {
  top:  110px;
  left: 0px;
}

.tun-e-bar {
  top:  0px;
  left: 30px;
}

.tun-s-bar {
  top:  50px;
  left: 30px;
}

.tun-chat-input {
  top: 110px;
  left: 40px;
  color: #ffffff;
  background: #333333;
  font-family: "Lucida Console", sans-serif;
  font-weight: bold;
  width: 176px;
  float: right;
}

.tun-chat-send {
  top:  110px;
  left: 240px;
  color: #ffffff;
  width: 60px;
  float: right;
}

.tun-chat {
  margin-left: auto;
  margin-right: 0;
  vertical-align: top;
  overflow-y: auto;
  font-family: "Lucida Console", sans-serif;
  font-weight: bold;
  font-size: small;
  color: #ffffff;
  background: #333333;
}

@media screen and (max-width: 600px) {
  .tun-container {
    height: 200px;
  }

  .tun-chat {
    position: absolute;
    top: 160px;
    left: 10px;
    width: 270px;
    height: 30px;
  }
}

@media screen and (min-width: 601px) {
  .tun-container {
    height: 140px;
  }

  .tun-chat {
    position: relative;
    width: -webkit-calc(100% - 320px);
    width:    -moz-calc(100% - 320px);
    width:         calc(100% - 320px);      
    height: 120px;
  }
}