deployment-talks/chat-app/static/css/main.css

body {
    margin: 0;
    padding: 0;
    background-color: #134115;
    font-family: monospace;
}

div {
    box-sizing: border-box;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.messages {
    padding: 1em;
    display: flex;
    flex-direction: column-reverse;
    flex-grow: 1;
    overflow: auto;
    position: relative;
}

.messages .message {
    padding: 1em 1.25em;
    border: 1px solid #020a03;
    border-radius: 5px;
    margin-bottom: 0.75em;
    background-color: #fffefc;
    font-family: monospace;
    font-size: 14px;
    color: #0c0b09;
}

.chatter {
    font-weight: bold;
}

.chat-input {
    width: 100%;
    box-sizing: border-box;
    border-top: 1px solid #ccc;
    padding: 1em;
    background-color: #f4efe6;
    align-self: flex-end;
}
.chat-input > form {
    display: flex;
    width: 100%;
    box-sizing: border-box;
}
.chat-input > form > input,
.chat-input > form > submit {
    padding: 1em 1.25em;
    margin-right: 1em;
    box-sizing: border-box;
    font-family: monospace !important;
}
.chat-input > form > input[type=submit] {
    background-color: #dacaae;
    border: 1px solid #010a02;
    border-radius: 5px;
    color: #0c0b09;
    font-weight: bold;
    padding: 0.75em 1em;
    margin-right: 0;
}

.chat-input > form > input[name="chatter"] {
    width: 20%;
    border: 1px solid #020a03;
    border-radius: 5px;
    color: #0c0b09;
}
.chat-input > form > input[name="message"] {
    width: 75%;
    border: 1px solid #020a03;
    border-radius: 5px;
    color: #0c0b09;
}

@media only screen and (max-width: 600px) {
    .chat-input {
        padding: 1em;
    }

    .chat-input > form {
        display: flex;
        flex-wrap: wrap;
        width: 100%;
        box-sizing: border-box;
    }

    .chat-input > form > input,
    .chat-input > form > submit {
        box-sizing: border-box;
        margin: 0.25em;
        font-size: 1em;
        padding: 0.75em 1em;
        border-radius: 0.25em;
        width: 100%;
    }

    .chat-input > form > input[name="chatter"] {
        width: 100%;
        order: 1;
    }

    .chat-input > form > input[name="message"] {
        width: 65%;
        order: 2;
    }

    .chat-input > form > input[type=submit] {
        width: 30%;
        order: 3;
    }
}