/* 戦犯メディアクエリ */
/*
@media screen and (max-width: 480px) {
  .background, .container {
    width: 100%;
  }
}
*/

/* 共通項 */
.background, body::before {
  background-color: #111;
  display: block;
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}
.container{
  max-width: 100%;
  background-color: transparent;
  position: absolute;
  color: #ddd;
  display: block;
  z-index: 2;
}
.contents {
  margin: 3px 3px 3px 20px;
  padding: 3px;
  border-bottom: 2px groove lightgray;
}
.contents .description {
  margin-left: 20px;
}
.tool {
  font-size: 24px;
  text-decoration: none;
}
footer {
  text-align: center;
}

/* リンク色 */
a:link {
  color: cyan;
}
a:visited {
  color: orchid;
}
a:hover {
  color: orangered;
}
a:active {
  color: mediumorchid;
}

/* 細かい設定 */
.inline_block: {
  display: inline-block;
}
.center {
  text-align: center;
}
.margin {
  margin-left: 20px;
  margin-bottom: 3px;
}
.whitespace_s {
  margin-bottom: 100px;
}
.whitespace {
  margin-bottom: 200px;
}
.separator {
  margin: 0px 15px 0px 15px;
}

/* ツール用 */
select, select option {
  background-color: #111;
  color: #ddd;
}
table {
  border: 3px solid #eee;
  border-spacing: 0px;
  border-collapse: collapse;
}
th td {
  text-align: center;
  font-family: 'Inconsolata', "Meiryo", monospace;
}
#nlist th, #nlist td {
  text-align: center;
  font-family: 'Inconsolata', "Meiryo", monospace;
  height: 1.6em;
  min-width: 200px;
}
th {
  border: 2px solid #eee;
}
td {
  border: 1px solid #ccc;
}
select {
  font-size: 1.5em;
}
a#mode, a#mode2 {
  background: #555;
}