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

html {
  font-size: 62.5%;
}

body {
  background: #121212;
  color: aliceblue;
  height: 100vh;
  padding: 2rem;
}

.container {
  height: 50%;
  width: 100%;
  margin: 1rem;
}

.container__top {
  height: 80%;
  width: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 1rem;
}

.container__bottom {
  height: 20%;
  width: 100%;
  display: flex;
  justify-content: space-evenly;
  align-items: center;
  padding: 1rem;
}

[id^="text-area"] {
  background: #272727;
  color: #ffffffdc;
  height: 100%;
  width: 40%;
  outline: none;
  border: none;
  border-radius: 0.7rem;
  box-shadow: 0 1rem 1.5rem rgba(0, 0, 0, 0.3);
  font-size: 1.8rem;
  padding: 1rem;
}

.btn {
  padding: 1rem 3rem;
  color: beige;
  font-size: 2rem;
  background: #3102ff;
  outline: none;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.btn:hover {
  background: #2902da;
}

.heading {
  font-size: 1.8rem;
  font-family: sans-serif;
}

.matched {
  border: 2px solid lime;
  box-shadow: 0 0.8rem 2rem rgba(17, 255, 0, 0.3);
}

.un-matched {
  border: 2px solid red;
  box-shadow: 0 0.8rem 2rem rgba(255, 0, 0, 0.4);
}
