/*
CSS Reset
http://meyerweb.com/eric/tools/css/reset/
*/

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;
}
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;
}

/* particleground demo */

* { 
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
/*这里是背景颜色,更改background就妥*/
body {
  /*background: #16A085;*/
	background: #16A085;
  font-family: 'Montserrat', sans-serif;
  color: #fff;
  line-height: 1.3;
  -webkit-font-smoothing: antialiased;
}

#particles {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.intro {
  position: absolute;
  left: 0;
  top: 50%;
  padding: 0 20px;
  width: 100%;
  text-align: center;
}
h1 {
  text-transform: uppercase;
  font-size: 55px;
  letter-spacing: 0.015em;
}
	h1 b{
		font-weight: 700;
		margin: 0px 20px 0px 20px;
	}
h1::after {
  content: '';
  width: 0px;
  display: block;
  background: #fff;
  height: 5px;
  margin: 10px auto;
  line-height: 1.1;
}
span {
  margin: 0 0 30px 0;
  font-size: 24px;
}
.btn {
  display: inline-block;
  padding: 15px 30px;
  border: 2px solid #fff;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-decoration: none;
  -webkit-transition: all 0.4s;
     -moz-transition: all 0.4s;
       -o-transition: all 0.4s;
          transition: all 0.4s;
}
.btn:hover {
  color: #005544;
  border-color: #005544;
}

@media only screen and (max-width: 1000px) {
  h1 {
    font-size: 70px;
  }
}

@media only screen and (max-width: 800px) {
  h1 {
    font-size: 48px;
  }
  h1::after {
    height: 8px;
  }
}

@media only screen and (max-width: 568px) {
  .intro {
    padding: 0 10px;
  }
  h1 {
    font-size: 20px;
  }
  h1::after {
    height: 6px;
  }
  p {
    font-size: 18px;
  }
  .btn {
    font-size: 16px;
  }
}

@media only screen and (max-width: 320px) {
  h1 {
    font-size: 28px;
  }
  h1::after {
    height: 4px;
  }
}
#form{
	width: 500px;
	height: auto;
	margin: 0 auto;
}
.form{
	width: 100%;
	height: auto;
	float: left;
	margin-top: 20px;
}
	.form input{
		width: 325px;
		height: 31px;
		border: 2px #5cbdaa solid;
		font-size: 20px;
		line-height: 20px;
		border-top-left-radius: 5px;
		border-bottom-left-radius: 5px;
		color:#333;
		outline:0;
		text-indent: 5px;
		margin-left: 10px;
	}
	.form button{
		width: 50px;
		height: 31px;
		border: 2px #5cbdaa solid;
		border-left: 0px;
		border-top-right-radius: 5px;
		border-bottom-right-radius: 5px;
		outline:0;
		background: #5cbdaa;
		font-size: 12px;
		color: #FFF;
	}
	.forms{
		float: left;
	}
	#output{
		width: 488px;
		height: auto;
		background-color: rgba(255,255,255,1);
		float: left;
		margin-top: 10px;
		border-radius: 2px;
		box-shadow: 0 1px 3px rgba(0,0,0,0.38);
		padding: 20px;
		transition-duration: 0.2s;
		color: #333;
	}
		.output{
			margin-top: 5px;
			text-align: initial;
		}
		.prompt{
			color: red;
		}