html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1;
}
ol, ul {
  list-style: none;
}
blockquote, q {
  quotes: none;
}
blockquote:before, blockquote:after,
q:before, q:after {
  content: '';
  content: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/** END RESET **/

/* Surroundings */

body {
  font-family: 'Helvetica', Arial, sans-serif;
  background: #171617;
  color: #E9F0EF;
}

h1 {
  font-size: 45px;
  text-align: center;
  padding-top: 50px;
}


 /* Button Status */
#mine-grid button {
  width: 25px;
  height: 25px;
  border: 1px solid #171617 !important;
  border-right: 0;
  border-bottom: 0;
  background: #2D3E4A;
  line-height: 21px;
  font-size: 13px;
  padding-bottom: 6px;
  display: inline-block;
}

#mine-grid button.open {
  background: #E9F0EF;
  color: #2D3E4A;
}

#mine-grid button.exploded {
  background: #A705ED !important;
  color: #E9F0EF;
}

#mine-grid button.flagged {
  background: #95DCED;
}

#minesweeper.easy #mine-grid button[data-x="7"],
#minesweeper.medium #mine-grid button[data-x="15"],
#minesweeper.hard #mine-grid button[data-x="15"] {
  border-bottom: 1px solid #171617 !important;
}

#minesweeper.easy #mine-grid button[data-y="7"],
#minesweeper.medium #mine-grid button[data-y="15"],
#minesweeper.hard #mine-grid button[data-y="29"] {
  border-right: 1px solid #171617 !important;
}


 /* Board */
#minesweeper {
  margin-left: auto;
  margin-right: auto;
  margin-top: 50px;
  margin-bottom: 50px;
  border: 1px solid #D2D3A9;
  padding: 20px;
}

#minesweeper.easy {
  width: 200px;
}

#minesweeper.mid {
  width: 400px;
}

#minesweeper.hard {
  width: 750px;
}

 /* Menu */

.menu ul {
  padding-top: 20px;
  padding-bottom: 20px;
}

.level-select,
.menu ul {
  text-align: center;
}

.level-select li,
.menu ul li {
  display: inline-block;
  width: 30%;
}

.level-select button {
  width: 100%;
  height: 30px;
  border: 0;
  background: #2D3E4A;
  color: #E9F0EF;
  cursor: pointer;
}

.reset button {
  width: 25px;
  height: 25px;
  line-height: 18px;
  border-radius: 50%;
  border: 0;
  transform: rotate(90deg);
  padding-left: 10px;
  background: #E9F0EF;
  color: #2D3E4A;
  cursor: pointer;
}