stylesheet.css

body {
  background: #fdeb9f;
}
.board {
  border: 5px solid black;
  border-radius: 15px;
  margin: 30px auto;
  cursor: pointer;
  background: rgb(232, 232, 232);
}
td {
  height: 50px;
  width: 50px;
  border-radius: 10px;
}
.hovered {
  opacity: 0.75;
}
.level {
  margin: 20px auto;
  text-align: center;
  font-size: 20px;
  cursor: context-menu;
}
.info {
  font-size: 26px;
  font-weight: bold;
  margin: 10px auto;
  text-align: center;
  cursor: context-menu;
}
.musicControl {
  height: 80px;
  width: 80px;
  border-radius: 40px;
  position: absolute;
  left: 30px;
  top: 30px;
  cursor: pointer;
  background: url('https://cdn3.iconfinder.com/data/icons/buttons/512/Icon_4-512.png');
  background-size: cover;
}
.play {
  background: url('https://cdn2.iconfinder.com/data/icons/media-and-navigation-buttons-round/512/Button_3-512.png');
  background-size: cover;
}
.pause {
  background: url('https://cdn3.iconfinder.com/data/icons/buttons/512/Icon_4-512.png');
  background-size: cover;
}
.container {
  display: none;
  z-index: 1;
  margin: 20px;
}
.reset {
  display: block;
  width: 250px;
  background: rgba(0,0,0,0);
  border: none;
  cursor: pointer;
  margin: 0 auto;
}
.container h1 {
  color: black;
  margin: 5px;
  text-align: center;
  cursor: context-menu;
}
.container img {
  height: 80px;
  width: 80px;
  float: left;
}
.container p {
  font-style: Verdana;
  font-size: 26px;
}
@media screen and (max-width: 750px) {
  .musicControl {
    width: 60px;
    height: 60px;
    left: 10px;
    top: 10px;
  }
  .board {
    margin: 20px auto;
  }
  .level {
    margin: 20px 0 15px 0;
    font-size: 20px;
  }
  .info {
    margin: 15px 0 20px 0;
    font-size: 20px;
  }
  .container {
    margin: 10px;
  }
}
@media screen and (max-width: 450px) {
  .musicControl {
    width: 30px;
    height: 30px;
    left: 10px;
    top: 15px;
  }
  .level {
    font-size: 16px;
  }
  .info {
    font-size: 16px;
}