* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
ul {
  list-style: none;
}
body {
  font-family: sans-serif;
  font-size: 14px;
}

.container {
  display: flex;
  column-gap: 20px;
  padding: 20px;
  background-image: linear-gradient(45deg, #996dc5 0%, #548cc5 100%);
}

.users {
  padding: 10px;
  width: 30%;
  height: 100%;
  cursor: pointer;
  color: white;
}
@media (width<768px) {
  .users {
    flex: 1;
  }
}
.users .user p {
  pointer-events: none;
}
.users .user {
  width: 100%;
  border: 1px solid #aaa;
  border-radius: 6px;
  padding: 10px;
  transition: 0.3s;
  overflow: hidden;
}
.users .user:not(:last-of-type) {
  margin-bottom: 10px;
}
.users .user.clicked {
  border: 1px solid rgb(255 255 255);
  background-color: rgb(248 215 248);
  color: black;
}

.posts {
  padding: 10px;
  background-color: rgb(197, 148, 197);
  border-radius: 6px;
  flex: 1;
  min-height: 100vh;
}

.posts .post {
  padding: 10px;
  width: 100%;
  border: 1px solid #fff;
  border-radius: 6px;
  padding: 10px;
  background-color: rgb(248, 215, 248);
}
.posts .post:not(:last-of-type) {
  margin-bottom: 10px;
}
.posts .post p:first-child {
  border-bottom: 1px solid white;
  padding-bottom: 5px;
  margin-bottom: 5px;
}