Chat/src/App.css

.App {
  height: 100vh;
  display: flex;
  justify-content: center;
}

.reg-form {
  display: flex;
  flex-direction: column;
  width: 30vw;
}

.chat-window {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.aside-chat {
  background: rgb(158, 158, 226);
  width: 20vw;
  margin-bottom: 5px;
}

.aside-chat a {
  display: flex;
  text-decoration: none;
  color: black;
  border: 1px solid black;
}

.aside-chat-info {
  display: flex;
  flex-direction: column;
}

.aside-chat img,
.chat-edit-form img {
  width: 40%;
  object-fit: contain;
}

.aside-chat h5 {
  margin: 0;
}

main {
  display: flex;
  align-items: center;
  width: 100%;
}

.new-chat {
  display: flex;
  flex-direction: column;
}

.chat-list,
.message-list {
  display: flex;
  flex-direction: column;
  overflow-y: scroll;
  height: 100vh;
}

.chat-list li {
  list-style: none;
}

.aside-chat-btn button {
  width: 100%;
  height: 40px;
}

.aside-chat-btn {
  margin-bottom: 5px;
}

.msg {
  display: flex;
  flex-direction: column;
  border: 1px solid black;
  border-radius: 10px;
  background: honeydew;
  padding: 5px;
}

.msg-user,
.msg-someone {
  margin: 10px;
  list-style: none;
  max-width: 300px;
  min-width: 300px;
}

.msg-user {
  align-self: flex-end;
}

.msg-nick {
  font-weight: 600;
}

.msg-date {
  font-size: 12px;
}

.chat-window {
  flex-grow: 2;
  background: rgb(209, 207, 207);
}

.pick {
  background: red;
}

.msg-text {
  white-space: pre-line;
}

.message-input {
  display: flex;
}

textarea {
  flex-grow: 1;
  resize: none;
}

.user-search-list {
  width: 80%;
  height: 300px;
  overflow-y: scroll;
  list-style: none;
}

.user-search-panel {
  display: flex;
  flex-direction: column;
}

.chat-nav {
  background: grey;
  height: 5vw;
}

.chat-edit-form {
  display: flex;
  flex-direction: column;
  width: 25vw;
  padding: 0 10px;
}

.edit-btn-container {
  display: flex;
}

.context-menu {
  display: flex;
  flex-direction: column;
  background-color: #fff;
  width: 100px;
  height: auto;
  margin: 0;
  position: absolute;
  opacity: 1;
  transition: opacity 0.5s linear;
}

.msg-media {
  display: flex;
  flex-direction: column;
  margin-top: 10px;
  list-style: none;
  align-items: center;
  padding: 0;
}

.msg-media-img {
  max-width: 50%;
}

.msg-media-video,
.msg-media-audio {
  max-width: 100%;
}

.msg-media span {
  font-size: 10px;
}

.msg-short {
  display: flex;
  align-items: flex-end;
  background-color: #fff;
  border: 1px solid #000;
}

.msg-short .msg-nick {
  flex-grow: 1;
}

.msg-short .msg-date {
  flex-grow: 0;
}

.msg-short .msg-text {
  flex-grow: 0;
}

.msg-reply {
  background: grey;
  border: 1px solid black;
  border-radius: 10px;
  padding: 5px;
}

.btn-scroll {
  position: fixed;
}