h1 {
  display: block;
  text-align: center;
}

body {
  background: #f5f7f7;
  font-family: sans-serif;
}

#target {
  width: 25em;
}

#hangup {
  background-color: red;
}

.call-control {
  height: 3em;
}

#dtmf-buttons button {
  display: inline-block;
  margin: 1em 0 0 0;
  height: 3.8em;
  width: 3.8em;
  background-color: white;
  border: 1px solid black;
  border-radius: 2px;
  font-size: 1em;
}

input {
  border-radius: 2px;
  border: 0px;
  height: 3em;
}

input[type=submit] {
  background-color: #35f659;
  border: 0px;
}

input[type=checkbox] {
  height: auto;
}

#chat-box {
  position: relative;
  border-radius: 2px;
  border: 1px solid black;
  width: 50em;
  height: 40em;
}

#message-input {
  width: 100%;
  position: absolute;
  bottom: 1em;
  border-top: 1px solid black;
  padding-top: 1em;
}

#message, #message-submit {
  display: inline-block;
  margin: 0px 0px 0px 0px;
  padding: 1px 1px 1px 1px;
}

#message {
  width: 80%;
  margin-left: 5em;
  border-top-right-radius: 0px;
  border-bottom-right-radius: 0px;
}

#message-submit {
  margin-left: -4px;
  border-top-left-radius: 0px;
  border-bottom-left-radius: 0px;
  padding-left: 5px;
  padding-right: 5px;
}

#log-container {
  height: 35em;
  overflow: scroll;
}

#remote-media {
  border-radius: 2px;
  border: 1px black solid;
}