static/style.css

body {
  font-family: Arial, sans-serif;
  background-color: #333;
  color: #eee;
}

.chat-container {
  border: 1px solid #555;
  width: 600px;
  margin: 20px auto;
  padding: 10px;
  background-color: #444;
}

.chat-messages {
  height: 700px;
  overflow-y: scroll;
  border-bottom: 1px solid #555;
  padding-bottom: 10px;
}

.msgc {
  margin-bottom: 10px;
  padding: 5px;
  border-radius: 5px;
  background-color: #555;
}

.nme {
  font-weight: bold;
    padding: 7px;
  margin-bottom: 5px;
}

.msg {
  margin-bottom: 2px;
  padding: 7px;
  border-radius: 5px;
}

.chat-input {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

input[type="text"] {
  flex: 1;
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 5px;
  margin-right: 10px;
}

input[type="text"]:last-child {
  margin-right: 0;
}

.chat-input button {
  padding: 10px;
  cursor: pointer;
  background-color: #3498db;
  color: #fff;
  border: none;
  border-radius: 5px;
}

.chat-input button:hover {
  background-color: #2980b9;
}

.msg:nth-child(even) {
  background-color: #555;
}

.msg:nth-child(odd) {
  background-color: #444;
}