If you _have_ to use app.getflow.com, but want it to make just a bit less ugly

app.getflow.com.userstyle.css

/* better contrast for own messages */
.direct-messages .chat-message-list-item[data-type="message"]:not(.edit-mode).yours .chat-message-list-item-content
{
    background-color: #3574a5;
}

/* super-sized emojis */
#app-content .emoji-sizer:only-child
{
    transform: scale(1.5);
}

/* more distinctive code elements */
#app-content code
{
    display: inline-block;
    line-height: 1.2;
    vertical-align: 0.1em;
    background-color: #eee;
    color: black !important;
    border-radius: 0.1em;
    padding: 0.2em 0.3em;
}