* {
	box-sizing: border-box;
  }
  
  body {
	margin: 0;
	font-family: "Hiragino Kaku Gothic ProN";
  }
  
  a {
	text-decoration: none;
  }
  
  .container {
	width: 100%;
	padding: 0 15px;
	margin: 0 auto;
  }
  
  .top-wrapper {
	padding: 180px 0 100px 0;
	background-image: url(top.png);
	background-size: cover;
	/* color: white; */
	text-align: center;
  }
  
  .top-wrapper h1 {
	opacity: 0.7;
	font-size: 45px;
	letter-spacing: 5px;
  }
  
  .top-wrapper p {
	opacity: 0.7;
	font-size: 16px;
	margin-bottom: 40px;
  }
  
  .btn-wrapper {
	text-align: center;
  }
  
  .btn-wrapper p {
	margin-bottom: 20px;
  }
  
  .signup {
	background-color: #239b76;
  }
  
  .facebook {
	background-color: #3b5998;
	margin-right: 10px;
  }
  
  .twitter {
	background-color: #55acee;
  }
  
  .btn {
	padding: 8px 24px;
	color: white;
	display: inline-block;
	opacity: 0.8;
	border-radius: 4px;
	text-align: center;
  }
  
  .btn:hover {
	opacity: 1;
  }
  
  .fa {
	margin-right: 5px;
  }
  
  header {
	height: 65px;
	width: 100%;
	background-color: rgba(34,49,52,0.9);
	position :fixed;
	top: 0;
	z-index: 10;
  }
  
  .logo {
	width: 124px;
	margin-top: 20px;
  }
  
  .header-left {
	float: left;
	color: white;
  }
  
  .header-right {
	float: right;
	margin-right: -25px;
  }
  
  .header-right a {
	line-height: 65px;
	padding: 0 25px;
	color: white;
	display: block;
	float: left;
	transition: all 0.5s;
  }
  
  .header-right a:hover {
	background-color: rgba(255,255,255,0.3);
  }
  
  .lesson-wrapper {
	height: 580px;
	padding-bottom: 80px;
	padding-left: 5%;
	padding-right: 5%;
	background-color: #f7f7f7;
	text-align: center;
  }
  
  .heading {
	padding-top: 80px;
	padding-bottom: 50px;
	color: #5f5d60;
  }
  
  .heading h2 {
	font-weight: normal;
  }
  
  .lesson {
	float: left;
	width: 25%;
  }
  
  .lesson-icon {
	position: relative;
  }
  
  .lesson-icon p {
	position: absolute;
	top: 37%;
	width: 100%;
	color: white;
  }
  
  .text-contents {
	width: 80%;
	display: inline-block;
	margin-top: 15px;
	font-size: 13px;
	color: #b3aeb5;
  }
  
  .heading h3 {
	font-weight: normal;
  }
  
  .message-wrapper {
	border-bottom: 1px solid #eee;
	padding-bottom: 80px;
	text-align: center;
  }
  
  .message {
	padding: 15px 40px;
	background-color: #5dca88;
	cursor: pointer;
	box-shadow: 0px 7px #1a7940;
  }
  
  .message:active {
	position: relative;
	top: 7px;
	box-shadow: none;
  }
  
  footer img {
	width: 125px;
  }
  
  footer p {
	/* color: #b3aeb5; */
	font-size: 12px;
  }
  
  footer {
	padding-top: 30px;
	padding-bottom: 20px;
	text-align: center;
  }
  
  .menu-icon {
	color: white;
	float: right;
	font-size: 25px;
	padding: 21px 0;
	display: none;
  }
  
  .clear {
	clear: left;
  }

  .policy-wrapper {
	padding: 145px 5% 80px 5%;
	border-bottom: 1px solid #eee;
	background-color: #f7f7f7;
	text-align: left;
  }
  
  @media all and (max-width: 1000px) {
	.lesson {
	  width: 50%;
	  margin-bottom: 50px;
	}
  
	.lesson-wrapper {
	  height: 990px;
	}
  
	footer {
	  text-align: center;
	}
  }
  
  @media all and (max-width: 750px) {
	.top-wrapper h1 {
	  font-size: 32px;
	}
  
	.heading h2 {
	  font-size: 20px;
	}
  }
  
  @media all and (max-width: 670px) {
	.header-right {
	  display: none;
	}
  
	.menu-icon {
	  display: block;
	}
  
	.top-wrapper .btn {
	  width: 100%;
	}
  
	.twitter {
	  margin-top: 10px;
	}
  
	.top-wrapper {
	  text-align: left;
	}
  
	.top-wrapper h1 {
	  font-size: 24px;
	}
  
	.top-wrapper p {
	  font-size: 14px;
	}
  
	.lesson {
	  width: 100%;
	}
  
	.lesson-wrapper {
	  height: 1700px;
	}
  
	.message-wrapper .btn {
	  width: 100%;
	}
  }