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

body {
  display: flex;
  height: 90vh;
  align-items: center;
  justify-content: space-evenly;
  flex-direction: column;
  background-color: #000;
}

#tetris {
  background-color: #0000004f;
  box-shadow: 0 0 10px 2px lightgrey;
}

.title {
  background-color: #fff;
  color: #000;
  padding: 10px 20px;
  margin-bottom: 20px;
  margin-top: 20px;
}

.buttom {
  padding: 10px 20px;
  font-size: 16px;
  margin-top: 10px;
  cursor: pointer;
  background-color: aquamarine;
  color: #000;
  font-weight: bold;
  transition: background-color 0.3s, transform 0.3s;
}

.buttom:hover {
  background-color: rgb(55, 130, 104);
  color: #fff;
}

.header {
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
}

.score {
  color: #fff;
  padding: 10px 20px;
  margin-bottom: 20px;
  margin-top: 20px;
}
.text {
  margin-top: 10px;
}
.instructions {
  margin: 40px;
  background-color: #f9f9f9;
  padding: 20px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-family: Arial, sans-serif;
}
ul {
  list-style: none;
}