style.css

html {
  max-width: 1000px;
  margin: 0 auto;
  background-color:rgba(127,255,212,0.3);
}

body {
  width: 100%;
  margin: 0px;
  padding: 0px;
}

h3, h5, p {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
}

#magic-pong-header {
  font-family: 'Anton', sans-serif;
  font-size: 30px;
}

.modal {
    display: none;
    position: fixed;
    background-color: rgba(0,0,0,0.4);
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.modal-content {
  text-align: center;
  background-color: #f0efe5;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 50%;
 }

 button {
   width: 10%;
   padding: 3% 0;
   font-family: Verdana, Geneva, Tahoma, sans-serif;
   font-size: 16px;
   background-color: aquamarine;
 }

 button:hover {
   cursor: pointer;
 }