HTMLify

@import url(https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap);
* {
  margin: 0;
  padding: 0;
  font-family: Poppins, sans-serif;
}
body {
  display: flex;
  padding: 1rem;
  justify-content: center;
  background: #8dd69e;
}
.wrapper .content-box {
  width: 770px;
  background: #e8e7e0;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 1px solid #274b48;
}
.wrapper .input-field {
  opacity: 0;
  z-index: -999;
  position: absolute;
}
.content-box .typing-text {
  overflow: hidden;
  padding: 2rem;
  max-height: 256px;
}
.typing-text::-webkit-scrollbar {
  width: 0;
}
.typing-text p {
  font-size: 20px;
  text-align: justify;
}
.typing-text p span {
  position: relative;
}
.typing-text p span.correct {
  color: #56964f;
}
.typing-text p span.incorrect {
  color: #cb3439;
  outline: #fff solid 1px;
  background: pink;
  border-radius: 4px;
}
.typing-text p span.active {
  color: #17a2b8;
}
.typing-text p span.active::before {
  position: absolute;
  content: "";
  height: 2px;
  width: 100%;
  bottom: 0;
  left: 0;
  opacity: 0;
  border-radius: 5px;
  background: #17a2b8;
  animation: 1s ease-in-out infinite blink;
}
@keyframes blink {
  50% {
    opacity: 1;
  }
}
.content-box .content {
  margin-top: 0.5rem;
  display: flex;
  padding: 1rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  border-top: 1px dashed #274b48;
  background: #f4cb4f;
}
.content button {
  outline: 0;
  border: none;
  color: #e8e7e0;
  padding: 8px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 100vw;
  background: #ff1f0f;
  transition: transform 0.2s;
  white-space: nowrap;
}
.content button:active {
  transform: scale(0.98);
}
.content .result-details {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  width: calc(100% - 220px);
  justify-content: space-between;
}
.result-details li {
  display: flex;
  height: 20px;
  list-style: none;
  position: relative;
  align-items: center;
}
.result-details li:not(:first-child) {
  padding-left: 22px;
  border-left: 1px solid #274b48;
}
.result-details li p {
  font-size: 19px;
}
.result-details li span {
  display: block;
  font-size: 20px;
  margin-left: 10px;
}
li span b,
li:not(:first-child) span {
  font-weight: 500;
}
@media (max-width: 745px) {
  .wrapper {
    padding: 20px;
  }
  .content-box .content {
    padding: 20px 0;
  }
  .content-box .typing-text {
    max-height: 100%;
  }
  .typing-text p {
    font-size: 19px;
    text-align: left;
  }
  .content button {
    width: 100%;
    font-size: 15px;
    padding: 10px 0;
    margin-top: 20px;
  }
  .content .result-details {
    width: 100%;
  }
  .result-details li:not(:first-child) {
    border-left: 0;
    padding: 0;
  }
  .result-details li p,
  .result-details li span {
    font-size: 17px;
  }
}
@media (max-width: 518px) {
  .wrapper .content-box {
    padding: 10px 15px 0;
  }
  .typing-text p {
    font-size: 18px;
  }
  .result-details li {
    margin-bottom: 10px;
  }
  .content button {
    margin-top: 10px;
  }
}