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

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  min-height: 100vh;
  background: rgb(142, 219, 255);
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.timer {
  font-family: "DSEG7Classic-Regular", monospace;
  font-weight: 900;
  color: #0099ff;
  text-shadow: 2px 2px 2px white;
  padding: 1rem;
  max-width: 750px;
  min-height: 350px;
  background-color: rgb(255, 255, 255);
  border-radius: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 30px;
}

.heading {
  font-family: "DSEG7Classic-Regular", monospace;
  font-size: 40px;
  width: 650px;
  text-align: center;
  color: white;
  border-radius: 15px;
  padding: 1rem 2rem;
  margin-top: 10px;
  text-shadow: 4px 4px 20px #015266;
}

.button-container {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.button-container .btn {
  padding: 0.5rem 2rem;
  border: none;
  background: none;
  font-size: 20px;
  border-radius: 5px;
  color: white;
  background-color: #288374;
  border-radius: 15px;
  cursor: pointer;
}
.button-container .btn:hover {
  box-shadow: 4px 0px 10px #000000;
  /* color: black; */
}

.timer-inputs {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  text-align: center;
}

.timer-inputs input {
  padding: 0.4rem 0.2rem;
  font-size: 20px;
  border: 1px solid #f0f0f0;
  border-radius: 10px;
  color: #686868;
  text-align: center;
}

.input-group {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
}

.display-time {
  font-size: 100px;
  color: white;
  text-shadow: 8px 8px 20px #015266;
  display: flex;
  gap: 2px;
}

#audio-alarm .fa-volume {
  color: black;
}

.audio-btn {
  margin-bottom: 10px;
  padding: 1rem;
  display: flex;
  border-radius: 10px;
  border: none;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  color: #2c2c2c;
}

.audio-btn i {
  border: none;
  color: blue;
  background: none;
}