.bg-gradient {
  background-image: linear-gradient(to bottom, #bb8f90, #b58893, #ab8296, #9f7e99, #8f7a9c, #897ca1, #837ea6, #7b81aa, #7f89b4, #8391be, #8799c9, #8aa1d3);
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
}

.tetris-bg-img {
  background: url('assets/images/tetrisback.png');  
  background-size: 100%; 
  width: 100%;
  height: auto;
  max-height: calc(100vh - 120px);
}