* {
  font-family: Consolas, monospace;
}
html {
  scroll-behavior: smooth;
}
body {
  background-color: white;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/*========================== Custom check box ============================*/
/* Customize the label (the container) */
.myCheckboxContainer {
  color: #fff;
  display: block;
  position: relative;
  padding-left: 35px;
  margin-bottom: 12px;
  cursor: pointer;
  font-size: 22px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

/* Hide the browser's default checkbox */
.myCheckboxContainer input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

/* Create a custom checkbox */
.checkmark {
  position: absolute;
  top: 0;
  left: 0;
  height: 25px;
  width: 25px;
  background-color: #eee;
}

/* On mouse-over, add a grey background color */
.myCheckboxContainer:hover input ~ .checkmark {
  background-color: #ccc;
}

/* When the checkbox is checked, add a blue background */
.myCheckboxContainer input:checked ~ .checkmark {
  background-color: #2196f3;
}

/* Create the checkmark/indicator (hidden when not checked) */
.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

/* Show the checkmark when checked */
.myCheckboxContainer input:checked ~ .checkmark:after {
  display: block;
}

/* Style the checkmark/indicator */
.myCheckboxContainer .checkmark:after {
  left: 9px;
  top: 5px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 3px 3px 0;
  -webkit-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  transform: rotate(45deg);
}

/* ========= Curtain Menu ========= */
.overlay {
  height: 100%;
  width: 100%;
  position: fixed;
  z-index: 10;
  left: 0;
  top: 0;
  overflow-x: hidden;
  -webkit-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
}
.menu {
  position: relative;
  top: 25%;
  width: 320px;
  height: 320px;
  margin: auto;
  background-color: rgba(20, 20, 20, 0.6);
  padding: 10px;
  border-radius: 8px;
  overflow-y: auto;
}
.menu input[type="text"] {
  display: inline-block;
  width: 275px;
  font-size: 1.3em;
  padding: 5px 10px;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  border: none;
  outline: none;
  border-radius: 5px;
  margin-bottom: 10px;
}
.menu input[type="color"] {
  opacity: 0;
  width: 100%;
  height: 100%;
  border: none;
  padding: 0;
}
.menu input[type="color"]:hover {
  cursor: pointer;
}
#color-picker-wrapper:hover {
  border: solid 2px #ddd;
}
#color-picker-wrapper {
  display: inline-block;
  margin: auto 0;
  border: solid 2px #999;
  border-radius: 50%;
  width: 25px;
  height: 25px;
}
.menu select {
  display: block;
  color: #eee;
  width: 100%;
  text-indent: 10px;
  padding: 5px 10px;
  font-size: 1.2em;
  font-weight: bold;
  border: 2px solid #07bc16;
  border-radius: 5px;
  background-color: transparent;
  box-sizing: border-box;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  margin-bottom: 10px;
}
.menu option {
  background-color: #222;
}
.btn-play {
  border: none;
  display: block;
  width: 100%;
  margin: 5px 0;
  padding: 10px 0;
  font-weight: bold;
  color: white;
  font-size: 1.1em;
  border-radius: 5px;
  cursor: pointer;
}
.gr-btn {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.item {
  width: 48%;
}
.guide {
  display: none;
  margin: 25px 2px 2px 2px;
  background-color: #313135;
  border-radius: 5px;
}
.guide p {
  margin: 5px 0 2px 5px;
  width: 100%;
  color: #999;
  font-size: 1.1em;
  text-align: left;
}
.guide b {
  color: #88f;
}
.blue {
  background-color: #2a6787;
}
.green {
  background-color: #608d27;
}
.gray {
  background-color: rgba(60, 60, 60, 0.8);
}
.blue:hover {
  background-color: #4c89a9;
}
.green:hover {
  background-color: #80af49;
}
.gray:hover {
  background-color: rgba(70, 70, 70, 1);
}

/* ========= ScrollBar ============ */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: #444;
}
::-webkit-scrollbar-thumb {
  background: #999;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #fff;
}