styles.css

#board {
  width: 60%;
}
#boardTable {
  margin-bottom: 30px;
}
 #controls {
   margin: 0 auto;
   width: 30%;
   display: block; 
 }

.alive {
display: inline-block;
  background-color: #0074d9;
  height: 30px;
  width: 30px;
  font-size: 1px;
  padding: 1px;
  color: white;
  margin-right: 5px;
  margin-left: 5px;
  animation: skew 3s infinite;
  transform: skew(20deg);
  animation-direction: alternate;
  opacity: .7;
}

.dead {
display: inline-block;
  background-color: green;
  height: 30px;
  width: 30px;
  font-size: 1px;
  padding: 1px;
  color: white;
  margin-right: 5px;
  margin-left: 5px;
  animation-direction: alternate;
  opacity: .7;
}

@keyframes skew {
  0% {
    transform: skewX(20deg);
  }
  100% {
    transform: skewX(-20deg);
  }
}

#nextButton {
  margin: 0 auto; 
  background: #3498db;
  background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
  background-image: -moz-linear-gradient(top, #3498db, #2980b9);
  background-image: -ms-linear-gradient(top, #3498db, #2980b9);
  background-image: -o-linear-gradient(top, #3498db, #2980b9);
  background-image: linear-gradient(to bottom, #3498db, #2980b9);
  -webkit-border-radius: 28;
  -moz-border-radius: 28;
  border-radius: 28px;
  font-family: Georgia;
  color: #ffffff;
  font-size: 20px;
  padding: 10px 20px 10px 20px;
  text-decoration: none; 
}

#nextButton:hover {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
  background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  text-decoration: none;
}

@media screen and (-webkit-min-device-pixel-ratio:0) { select { -webkit-appearance: menulist-button; } }

#boardSetup {
  position: relative;
  -webkit-appearance: menulist-button;
  width: 100px;
  height: 30px;
}