style.css

#my-game {
  /* optional */
  width: 800px;
  height: 600px;
  margin: 0 auto;
  border: 1px solid black;
  background-color: #383636;
}

.form-group {
  font-weight: bolder;
  margin: 0 auto;
  position: absolute;
  left: 50px;
  margin-top: 600px;
  color: #0f0;
  text-transform: uppercase;
  font-family: arial, Helvetica, sans-serif;
}

#usr {
  border-radius: 11px;
  height: 30px;
  width: 240px;
}

#nameForm {
  color: #fff;
  text-align: center;
  margin-top: 200px;
}

#nameForm #fname {
  padding: 10px;
  width: 50%;
  border-radius: 15px;
}

#nameForm label {
  font-size: 16px;
  font-weight: 800;
  color: #0f0;
  text-transform: uppercase;
}

#sub-btn {
  width: 150px;
  text-transform: uppercase;
  font-weight: 800;
  background-color: #0f0;
  padding: 8px;
  color: #000;
  margin-top: 40px;
}

#leader_board {
  position: absolute;
  top: 20px;
  left: 18px;
}

#btnb {
  padding: 10px;
  text-transform: uppercase;
  font-weight: bold;
}

ul {
  list-style-type: none;
}

#leader_show li {
  color: #25a725;
  font-size: 18px;
  text-transform: capitalize;
  font-weight: bolder;
  padding: 6px;
  position: relative;
  left: -40px;
  font-family: "Big Shoulders Stencil Display", cursive;
}