style.css

@import url("https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,500;1,300;1,400;1,500&family=Poppins:ital,wght@0,200;0,500;0,600;0,700;1,600&display=swap");

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

body {
  font-family: "Manrope", sans-serif;
  font-size: 24px;
  background-color: hsl(218, 23%, 16%);
  color: hsl(193, 38%, 86%);
}

@media screen and (max-width: 768px) {
  body {
    font-size: 22px;
  }
}

.container {
  max-width: 90%;
  height: 100vh;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 25px;
}

.rand {
  width: 100%; 
  max-width: 500px; 
  height: 300px;
  background-color: hsl(217, 19%, 24%);
  border-radius: 20px;
  box-shadow: 0 0 30px 10px rgba(0, 168, 84, 0.68);
  padding: 20px;
  display: grid;
  grid-template-rows: repeat(2, 1fr);
  place-items: center;
}

h4 {
  text-align: justify;
  color: #f8f9fa;
  font-family: "Open Sans", sans-serif;
  font-weight: 300;
  font-style: italic;
}

.song-container {
  padding: 10px;
  border-top: 2px solid #f8f9fa;
}

#song {
  margin-top: 20px;
  font-size: 16px;
  font-weight: 400;
}

.btn {
  display: flex;
  justify-content: flex-end;
}

button {
  background-color: transparent;
  font-family: "Poppins", sans-serif;
  font-weight: 500;
  color: #f8f9fa;
  border: none;
  outline: none;
  text-transform: uppercase;
  padding: 10px;
  border-radius: 5px;
  cursor: pointer;
  position: relative;
  border: 2px solid rgb(0, 168, 84);
}
button::before {
  content: "";
  width: 0;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-color: rgb(0, 168, 84);
  transition: all 300ms;
  z-index: -1;
  border-radius: 1px;
}
button:hover::before {
  width: 100%;
}