HTMLify

* {
  box-sizing: border-box;
}

body {
  background: rgb(28, 28, 28);
  font-family: sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  overflow: hidden;
}

.testimonial-container {
  background-color: rgb(19, 19, 19);
  color: #fff;
  padding: 5rem 8rem;
  max-width: 800px;
  position: relative;
  box-shadow: 0 2px 4px 2px rgb(19, 19, 19);
}

.testimonial {
  line-height: 25px;
  text-align: center;
}

.user {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.user-avater {
  border-radius: 100px;
  height: 100px;
  width: 100px;
  object-fit: cover;
}

.user .user-info {
  margin-top: 10px;
  text-align: center;
}

.user .username {
  margin: 0;
}

.line {
  background: crimson;
  height: 4px;
  width: 100%;
  margin-top: 20px;
  animation: animation 10s linear infinite;
}

@keyframes animation {
  0% {
    transform: scaleX(0);
  }
}