layout.css

/* ---------------------- */
/* Generic HTML Elements  */
/* ---------------------- */
body {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	margin: 0;
	padding: 0;
	font-size: 2em;
	font-family:"Segoe UI",Arial,sans-serif;
	background-color: black;
	color: rgb(34, 255, 34);
}
a {
	text-decoration: none;
	color: rgb(34, 255, 34);
}
/* Section Sizing (Portrait) */
header, main>*, footer{
	display: flex;
	justify-content: space-around;
	align-items: center;
}
main { flex-grow: 2;}
header { flex-grow: 1;}
footer {flex-grow: 0.5;}

/* -------- */
/*  Header  */
/* -------- */
header {
	flex-direction: column;
	background-color: rgba(100,100,100,0.35);
	border-bottom: 1px solid;
}

/* Title */
#scoring-cell {
	display: inline-block;
	vertical-align: middle;
	max-height: 20%;
}
#title {
	display: inline-block;
	vertical-align: middle;
	margin-left: 5px;
	font-size: 2em;
}

/* Settings */
#options-menu {
	width: 100%;
	display: flex;
	justify-content: space-around;
}
.setting >* {
	display: block;
	color: white;
}
.setting img {
	height: 0.75em;
	vertical-align: baseline;
	padding-right: 0.2em;
}
.setting i {
	font-size: 0.9em;
	padding-right: 0.2em;
}

#board-size >*:hover, #move-you:hover {
	color: rgb(34, 255, 34);
}

#difficulty-easy:hover {
	color: rgb(34, 142, 250);
}
#difficulty-medium:hover {
	color: rgb(230, 54, 230);
}
#difficulty-hard:hover {
	color: rgb(255, 60, 0);
}

#move-you i {
	color: rgb(34, 255, 34);
}
#move-ai i {
	color: rgb(34, 142, 250);
}

/* -------------- */
/*  Main Section */
/* -------------- */
main {
	display: flex;
	justify-content: center;
	flex-direction: column;
}

#score0 {
	color: rgb(34, 255, 34);
}

/* score bar */
#score-bar {
	flex-grow: 2;
	font-size: 1.25em;
	justify-content: space-between;
	margin: 0 1em 0 1em ;
	border: none;
}

/* game buttons */
#game-buttons {
	flex-grow: 1.5;
}
#game-buttons >* {
	display: flex;
	flex-direction: column;
	align-items: center;
	font-size: 0.75em;
	border-radius: 0.6em;
	padding: 0.25em;
	min-width: 15%;
	background-color: rgb(34, 255, 34);
	color: black;
	cursor: pointer;
}
#game-buttons a i {
	font-size: 2em;
}

#stats-button.off {
	opacity: 0.25;
	cursor: default;
}

#board-container {
	max-width: 45vh;
	align-self: center;
	position: relative;
}
#board {
	border: 2px solid gray;
}

.cell-container {
	display: inline-block;
	position: relative;
	outline: 1px solid gray;
}
.cell-container * {
	margin: 1px 0 0 1px; /* this is fudging */
}

/*.cell-text {
	display: none;
	visibility: hidden;
	color: black;
	position: absolute;
	left: calc(50% - 0.35em);
	top: calc(50% - 0.75em);
}*/

.single-cell {
	display: inline-block;
	width: 100%;
	z-index: 1;
	opacity: 1;
}
.old {
	display: inline-block;
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
}


.cell-container:hover .single-cell.on {
	background-color: rgba(255, 255, 255, 0.1);
	cursor:pointer;
	z-index: 1;
}


/* graphics overlay */
#statistics-overlay {
	position: absolute;
	max-height: 75vh;
	max-width: 75vh;
	height: 100%;
	width: 100%;
	display: none;
	flex-direction: column;
	justify-content: space-between;
	color: gray;
	background: rgba(0, 0, 0, 1);
	z-index: 1;
}

.graphic {
	display: flex;
	flex-direction: column;
}
#statistics-overlay a {
	font-size: 0.75em;
	align-self: center;
 }


/* -------- */
/*  Footer  */
/* -------- */
footer {
	flex-direction: column;
	background-color: rgba(100,100,100,0.35);
	border-top: 1px solid;
}
footer > *{
	width:100%;
	display: flex;
	align-items: center;
	justify-content: space-around;
}


/* ----------------------- */
/*  Landscape Orientation  */
/* ----------------------- */
@media only screen and (orientation: landscape)  {
	body {
		flex-direction: row;
	}
	header {
		flex-grow: 2;
		border-bottom: none;
		justify-content: space-around;
		padding: 0;
	}
	header a {
		display: flex;
		flex-direction: column;
		align-items: center;
		margin: 0;
	}
	#scoring-cell {
		height: 50%;
		max-height: 30vh;
	}

	#options-menu {
		padding: 0 0.5em 0 0.5em;
	}
	#score-bar {
		font-size: 0.9em;
	}
	#board-container {
		flex-grow: 1;
		border-bottom: none;
		max-height: 75vh;
		max-width: 75vh;
	}
	/*.cell-text {
		font-size: 0.75em;
	}*/
	#statistics-overlay {
		font-size: 0.6em;
	}
	#statistics-overlay a {
		font-size: 0.75em;
	}

	#game-buttons {
		flex-grow: 0.5;
		font-size: 0.75em;
		background-color: rgb(34, 255, 34);
		padding: 0;
		margin-top: 0.5em;
	}

	footer { display: none; }
}



/* ---------------- */
/*  Fontello Icons  */
/* ---------------- */
@font-face {
  font-family: 'fontello';
  src: url('font/fontello.eot?88069834');
  src: url('font/fontello.eot?88069834#iefix') format('embedded-opentype'),
       url('font/fontello.woff2?88069834') format('woff2'),
       url('font/fontello.woff?88069834') format('woff'),
       url('font/fontello.ttf?88069834') format('truetype'),
       url('font/fontello.svg?88069834#fontello') format('svg');
  font-weight: normal;
  font-style: normal;
}
/* Chrome hack: SVG is rendered more smooth in Windozze. 100% magic, uncomment if you need it. */
/* Note, that will break hinting! In other OS-es font will be not as sharp as it could be */
/*
@media screen and (-webkit-min-device-pixel-ratio:0) {
  @font-face {
    font-family: 'fontello';
    src: url('../font/fontello.svg?88069834#fontello') format('svg');
  }
}
*/

 [class^="icon-"]:before, [class*=" icon-"]:before {
  font-family: "fontello";
  font-style: normal;
  font-weight: normal;
  speak: none;

  display: inline-block;
  text-decoration: inherit;
  width: 1em;
  margin-right: .2em;
  text-align: center;
  /* opacity: .8; */

  /* For safety - reset parent styles, that can break glyph codes*/
  font-variant: normal;
  text-transform: none;

  /* fix buttons height, for twitter bootstrap */
  line-height: 1em;

  /* Animation center compensation - margins should be symmetric */
  /* remove if not needed */
  margin-left: .2em;

  /* you can be more comfortable with increased icons size */
  /* font-size: 120%; */

  /* Font smoothing. That was taken from TWBS */
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* Uncomment for 3D effect */
  /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
}

.icon-play:before { content: '\e800'; } /* '' */
.icon-ccw:before { content: '\e801'; } /* '' */
.icon-arrows-cw:before { content: '\e802'; } /* '' */
.icon-book:before { content: '\e803'; } /* '' */
.icon-chart-bar:before { content: '\e804'; } /* '' */
.icon-github-circled:before { content: '\f09b'; } /* '' */
.icon-github:before { content: '\f113'; } /* '' */
.icon-gamepad:before { content: '\f11b'; } /* '' */
.icon-codeopen:before { content: '\f1cb'; } /* '' */
.icon-chart-line:before { content: '\f201'; } /* '' */
.icon-user-o:before { content: '\f2c0'; } /* '' */