body {
  background: #000;
  font-family: Verdana,Arial,Helvetica,sans-serif;
  font-size: small;
  color: #000000;
  padding: 0;
  margin: 0;
  line-height: 1.7em;
}

button {
  background-color: rgba(255,255,255,.5);
  padding: 5px;
  outline: none;
  border: 1px solid rgba(0,0,0,.3);
  border-radius: 5px;
}

.wrapper {
  max-width: 450px;
  height: 100vh;
  box-sizing: border-box;
  margin: auto;
  padding: 0;
  background-color: rgba(255,255,255,.1);
  display: flex;
  flex-direction: column;
  border-left: 1px solid rgba(255,255,255,.2);
  border-right: 1px solid rgba(255,255,255,.2);
}

form {
  flex: 5;
  display: block;
  padding: 15px;
}
.text-box {
  font-size: 16px;
  display: flex;
  width: 100%;
}
input#message {
  padding-left: 11px;
  padding-right: 9px;
  font-size: 16px;
  height: 27px;
  display: block;
  flex: 10;
  outline: none;
  margin: 0 10px 0 0;
  box-sizing: border-box;
  border: 1px solid #aaa;
  border-radius: 13px;
}

input.send-button {
  display: block;
  background-color: rgba(255,255,255,.6);
  flex: 1;
  border: 1px solid rgba(0,0,0,.2);
  height: 27px;
  box-sizing: border-box;
  font-size: 16px;
  line-height: 25px;
  padding: 0;
  border-radius: 13px;
}

div#dialogue {
  overflow-x: none;
  overflow-y: auto;
  display: block;
  flex: 95;
  box-sizing: border-box;
  width: 100%;
  padding: 15px;
}

.bot-row, .user-row {
  padding: 1px 0 10px 0;
  display: block;
  postion: relative;
}
.user-row {
  text-align: right;
}

.user, .bot {
  font-size: 16px;
  padding: 5px 8px;
  margin: 1px;
  border-radius: 12px;
  display: inline-block;
  postion: relative;
}
.bot {
  margin-right: 50px;
  background-color: rgba(255,255,255,.85);
  border-bottom-left-radius: 0;
}
.user {
  margin-left: 50px;
  color: white;
  background-color: #3b3; 
  border-bottom-right-radius: 0;
}