signal-desktop/stylesheets/_conversation.scss

.group-update {
  font-size: smaller;
}

.private .sender,
.outgoing .sender {
  display: none;
}
.sender {
  font-size: smaller;
  opacity: 0.8;
}

.title-bar {
  button {
    height: 36px;
    line-height: 36px;
    margin-right: 8px;
    padding: 0;
    border: 0;
    outline: 0;
    color: white;
  }
}


button {
  cursor: pointer;
}

.timestamp {
  font-size: smaller;
}

.entry .delivered .timestamp::after {
    margin-left: 4px;
    content: "✓";
}


.message-list {
  max-height: 100%;
  margin: 0;
  padding: 1em 0;
  list-style: none;
  overflow-y: scroll;

  li {
    margin: 0 8px 16px;

    &::after {
      visibility: hidden;
      display: block;
      font-size: 0;
      content: " ";
      clear: both;
      height: 0;
    }
  }

  p {
    margin: 0;
  }

  .bubble {
    position: relative;
    left: -2px;
    display: inline-block;
    vertical-align: top;
    max-width: calc(100% - 54px - 2 * 12px);
    padding: 9px 12px;
    border-radius: 4px;
    box-shadow: 0 3px 3px -4px black;

    &::before, &::after {
      content: '';
      position: absolute;
      height: 0;
      width: 0;
    }

    &::before {
      top: (54px / 2) - 8px;
      border-top: 8px solid transparent;
      border-bottom: 8px solid transparent;
    }

    &::after {
      top: (54px / 2) - 6px;
      border-top: 6px solid transparent;
      border-bottom: 6px solid transparent;
    }
  }

  .incoming {
    .bubble {
      color: $grey_d;
      background: $grey_l;

      &::before {
        left: -10px;
        border-right: 10px solid white;
      }

      &::after {
        left: -8px;
        border-right: 8px solid $grey_l;
      }
    }
  }

  .outgoing {

    img, .bubble {
      float: right;
    }

    .bubble {
      clear: left;
      color: white;
      background: $blue;

      .timestamp {
        color: $blue_l;
      }

      &::before {
        right: -10px;
        border-left: 10px solid white;
      }

      &::after {
        right: -8px;
        border-left: 8px solid $blue;
      }
    }
  }


  .attachments img {
    max-width: 100%;
  }

  .outgoing img.avatar {
    display: none;
  }

  img.avatar {
    height: 44px;
    width: 44px;
    background: $grey_l;
    border-radius: (44px / 2);
  }

  .timestamp {
    margin-top: 3px;
    float: right;
  }
}

.bottom-bar {
  position: fixed;
  bottom: 0;
  height: 36px;
  width: 100%;
  border-top: 1px solid $grey_l;
  background: white;

  button, input {
    color: $grey_d;
  }

  button {
    position: absolute;
    top: 0;
    height: 100%;
    width: 36px;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 24px;
    background: transparent;
  }

  .attachments {
    float: left;
    height: 100%;
  }

  .send-btn {
    float: right;
    height: 100%;
    width: 36px;
    border: none;
    outline: none;
    background: url('/images/send.png') no-repeat;
    background-size: 90%;
    background-position: center 1px;
    cursor: pointer;

    &::before {
      content: '+';
    }
  }

  form, input {
    height: 100%;
  }

  input[type=textarea] {
      display: block;
      height: 100%;
      border: 0;
      outline: 0;
      z-index: 5;
  }
}

.end-session {
  font: small;
  font-style: italic;
  opacity: 0.8;
}