*,
*::after,
*::before {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

:root {
  --yangColor: #d8c21e;
  --yinColor: #111111;
}

body {
  font-family: 'Roboto Mono', monospace;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--yangColor);
  background-color: var(--yinColor);
  width: 100%;
  height: 100vh;
  overflow: hidden auto;
}

.text-wrapper {
  display: flex;
  font-size: 60px;
  font-weight: 400;
}

.text-static {
  color: #ffffff;
}

.text-dynamic {
  margin-left: 30px;
  line-height: 90px;
  height: 90px;
  overflow: hidden;
}

.text-item {
  position: relative;
  font-weight: 500;
  color: var(--yangColor);
  list-style: none;
  top: 0;
  animation: slide 12s steps(4) infinite;
}

.text-item::after {
  position: absolute;
  content: '';
  left: 0;
  height: 100%;
  width: calc(100% + 30px);
  border-left: 3px solid var(--yangColor);
  background-color: var(--yinColor);
  animation: typing 3s steps(10) infinite;
}

@keyframes typing {
  40%,
  60% {
    left: 100%;
  }
  100% {
    left: 0;
  }
}

@keyframes slide {
  100% {
    top: -360px;
  }
}