popup.css

@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@300;400&display=swap");
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 400px;
  width: 400px;
  font-family: "Poppins", sans-serif;
  padding: 20px;
  border-radius: 8px;
}
.extension_name {
  color: #5e6680;
  text-align: center;
}
.current_time_title {
  color: #858a99;
  font-size: 18px;
  text-align: center;
  margin-top: 20px;
}
#time {
  font-size: 35px;
  color: #5e6680;
  text-align: center;
}
#name {
  margin-top: 10px;
  font-size: 20px;
  color: #21b1eb;
  text-align: center;
}
.welcome_title {
  font-size: 20px;
  font-weight: 600;
}
.username {
  font-size: 16px;
  font-weight: 700;
}
.timer_title {
  margin-top: 10px;
  font-size: 20px;
  color: #5e6680;
  text-align: center;
}
#timer {
  font-size: 22px;
  color: #3b4155;
  text-align: center;
}
.btn_group {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#start-btn,
#stop-btn,
#reset-btn {
  text-align: center;
  font-family: "Poppins", sans-serif;
  text-transform: uppercase;
  font-weight: 600;
  border: none;
  outline: none;
  background: white;
  width: 60px;
  height: 30px;
  cursor: pointer;
  box-shadow: rgba(0, 0, 0, 0.24) 0px 3px 8px;
  border-radius: 15px;
}
.author {
  margin-top: 16px;
  font-size: 12px;
  color: #b3b7c5;
  text-align: center;
}