html, body {
	margin: 0;
	padding: 0;
	background-attachment: fixed;
	background-position: 50% 50%;
	background-size: cover;
}
a {
	text-decoration: underline;
}
a:hover {
	text-decoration: none;
}
.bg-red {
	background-image: url(../img/bg-red.jpg);
}
.bg-orange {
	background-image: url(../img/bg-orange.jpg);
}
.bg-yellow {
	background-image: url(../img/bg-yellow.jpg);
}
.bg-green {
	background-image: url(../img/bg-green.jpg);
}
.bg-cyan {
	background-image: url(../img/bg-cyan.jpg);
}
.bg-blue {
	background-image: url(../image/bg-blue.jpg);
}
.bg-purple {
	background-image: url(../img/bg-purple.jpg);
}
.bg-pink {
	background-image: url(../img/bg-pink.jpg);
}
.bg-black {
	background-image: url(../img/bg-black.jpg);
}

.body {
	max-width: 600px;
	margin: 0 auto;
	padding: 40px;
	box-sizing: content-box;
	-moz-box-sizing: content-box;
}
.body-s {
	max-width: 400px;
}
.modal {
	padding: 25px 30px;
	background: rgba(255,255,255,0.9);
	font: 13px/1.55 'Open Sans', Helvetica, Arial, sans-serif;
	color: #666;
}
.modal a {
	color: #2da5da;
}

@media screen and (max-width: 600px) {
	.body {
		padding: 10px;
	}
}

.buttons {
  background-color: #0095ff;
  border: 1px solid transparent;
  border-radius: 3px;
  box-shadow: rgba(255, 255, 255, .4) 0 1px 0 0 inset;
  box-sizing: border-box;
  color: #fff;
  cursor: pointer;
  display: inline-block;
  font-family: -apple-system,system-ui,"Segoe UI","Liberation Sans",sans-serif;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.15385;
  margin: 0;
  outline: none;
  padding: 8px .8em;
  position: relative;
  text-align: center;
  text-decoration: none;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  vertical-align: baseline;
  white-space: nowrap;
}