@import url("https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap");

* {
  box-sizing: border-box;
}

body {
  font-family: "Inter", sans-serif;
  color: #333;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  overflow: hidden;
}
.app {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 90vw;
  gap: 20px;
}

.container {
  position: relative;
  width: 620px;
  height: 400px;
  display: flex;
  justify-content: center;
  align-items: center;

  background-color: rgb(222, 220, 217);
  text-align: center;
}

.timer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: rgb(15, 76, 56);
  transition: width 1s linear;
}

.controls button {
  width: 120px;
  padding: 10px;
  border-radius: 4px;
  font-size: inherit;
  font-family: inherit;
  color: #eee;
  background-color: rgb(214, 86, 86);
  border: 1px solid #ddd;
  cursor: pointer;
}
.controls button:first-child {
  background-color: rgb(131, 164, 81);
}
.controls button:hover {
  opacity: 0.8;
}