dappconnect-chat-sdk/apps/web/styles/app.css

html,
body,
#root {
  height: 100%;
  overscroll-behavior: none;
  user-select: none;
}

*::selection {
  color: #fff;
  background: hsla(229, 71%, 57%, 1);
}

#app {
  height: 100%;
  display: grid;
  grid-template-columns: 352px 1fr auto;
}

#main {
  position: relative;
  display: grid;
  grid-template-rows: 96px 1fr 100px; /* 56px 1fr 100px without pinned messages */
  height: 100vh;
}

/* #main,
#sidebar,
#members,
#main > div {
  border: 1px solid rgba(0, 0, 0, 0.1);
} */

.composer-input::placeholder {
  transition: color 0.2s ease-in-out;
}

#sidebar {
  overflow: auto;
  height: 100vh;
}

#content {
  position: relative;
  overflow: auto;
  padding: 40px 0px 0px 0px;
  height: 100vh;
  margin-top: -96px; /* -56px without pinned messages */
}

#messages {
  padding: 32px 8px;
}

#anchor-actions {
  position: absolute;
  right: 20px;
  transform: translateY(calc(-100% - 12px));
}

#composer {
  position: sticky;
  bottom: 0;
  left: 0;
  z-index: 100;
}

#members {
  width: 352px;
  overflow: auto;
}

@media screen and (max-width: 768px) {
  #app {
    grid-template-columns: 1fr;
  }

  #sidebar {
    display: none;
  }
}