styles.css

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;700&display=swap');

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;

}
@font-face {
  font-family: 'Digital-7';
  src: url('digital-7.ttf');
}
body{
  background-color: #000000;
  height: 100vh;
  width: 100vw;
  display: flex;
  justify-content: center;
  align-items: center;
}
.box{
  background-color: #fff;
  height: 200px;
  width: 400px;
  border-radius: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  user-select: none;
  cursor: pointer;
  box-shadow: rgba(17, 17, 26, 0.05) 0px 1px 0px, rgba(17, 17, 26, 0.1) 0px 0px 8px;
}

.frame{
  display: flex;
  gap: 3px;
}

h3{
  font-weight: 500;
  color:#130f40;
  text-transform: uppercase;
  margin-bottom: 25px;
}
.hrs,
.min,
.sec,
.ms,
.colon{
width: 50px;
height: 50px;
font-size: 50px;
text-align: center;
line-height: 50px;
color: #000000;
font-family: 'Digital-7';
}
.colon{
width: 10px;
height: 50px;
}
.buttons{
  margin-top: 25px;
}
.buttons button{
 border: none;
 padding: 5px 20px;
 color:white;
 border-radius: 3px;
 text-transform: uppercase;
}

.start{background-color: #000000;}
.stop{background-color: #000000;}
.reset{background-color:  #000000;}


.start-active,
.stop-active{
  pointer-events: none;
  opacity: 0.5;
}