.noselect {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
#wrap {
  /* fixed width, centered in viewport */
  width: 980px; 
  position: relative;
}
#showcase {
  width: 100%;
  height: 460px;
  
  margin-top: 12px;
  visibility: hidden;
}
#showcase img {
  cursor: pointer;
}

#showcase2 {
  width: 100%;
  height: 460px;
  
  margin-top: 12px;
  visibility: hidden;
}
#showcase2 img {
  cursor: pointer;
}
.nav {
  text-align: center;
}
.nav > button {
  text-decoration: none;
  text-align: center;
  margin: 5px;
  text-shadow: 0px 1px 0px #f5f5f5;
  cursor: pointer;
}
.nav > button:active,
.nav > button.down {
  box-shadow: none;
  border: none;
  text-decoration: none;
}