How to Create Responsive Movie Trailer Website using html, css, jquery

*{
	margin: 0;
	padding: 0;
}
html,body{
	font-size: 14px;
	color: #333;
	height: 100%;
}
.wrapper{
	background-color: #000;
	width: 100%;
	height: auto;
	min-height: 300px;
	display: inline-block;
	position: relative;
}
.bgslide{
	background-image: url(../images/bg.png);
	background-size: cover;
	background-position: center;
	width: 100%;
	height: 100%;
	min-height: 650px;
	float: left;
	position: relative;
}
.nav{
	padding: 35px 35px;
}
.logo{
	width: 150px;
	height: auto;
	display: inline-block;
	float: left;
}
img{
	width: 100%;
}
.menu{
	width: auto;
	height: auto;
	display: inline-block;
	float: right;
}
.menu ul li{
	list-style-type: none;
	display: inline-block;
	padding: 0 35px;
}
.menu ul li a{
	color: #fff;
	text-decoration: none;
	font-family: open sans;
	font-size: 18px;
	-webkit-transition: all ease 0.4s;
	-moz-transition: all ease 0.4s;
}
.menu ul li a:hover{
	color: yellow;
}
.play_button{
	width: 100px;
	height: auto;
	position: absolute;
	top: 50%;
	left: 50%;
	cursor: pointer;
	-webkit-transition: all ease 0.4s;
	-moz-transition: all ease 0.4s;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
}
.play_button:hover{
	width: 115px;
}

.video_modal{
	width: 100%;
	height: auto;
	/*border: 5px solid #fff;*/
	position: absolute;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
	display: none;
}
.video_modal video{
	position: absolute;
	z-index: 50;
	top: 50%;
	left: 50%;
	-webkit-transform: translate(-50%, -50%);
	-moz-transform: translate(-50%, -50%);
}
.closebtn{
	font-family: open sans;
	font-weight: bolder;
	width: 30px;
	height: 30px;
	border-radius: 60px;
	background-color: yellow;
	color: #000;
	text-align: center;
	line-height: 30px;
	position: absolute;
	top: 3%;
	right: 5%;
	cursor: pointer;
	z-index: 1000;
}

.movieposter{
	display: inline-block;
	/*width: 100%;*/
	float: left;
	padding: 60px 35px 10px;
}
.movieposter h3{
	font-family: open sans;
	font-size: 28px;
	color: #fff;
	font-weight: normal;
	padding-bottom: 8px;
}
.movieposter hr{
	background-color: #fff;
	border: none;
	height: 1px;
	width: 100%;
}
.movie-trailer-grid{
	padding: 30px 0px;
}
.trailer1{
	width: 24%;
	height: auto;
	margin-right: 16px;
	float: left;
}
.trailer-last{
	margin-right: 0px;
}
.viewall{
	display: inline-block;
	float: right;
	padding: 7px 35px;
	background-color: #262626;
	color: #fff;
	border-radius: 5px;
	text-decoration: none;
	font-family: open sans;
	font-size: 18px;
	margin-top: 15px;
}
.viewall:hover{
	background-color: #fff;
	color: #000;
}

.sub{
	width: 100%;	
	display: inline-block;
	padding: 155px 0px;
	background-image: url(../images/sub.png);
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
	text-align: center;
	margin-top: 35px;
}
.sub p{
	color: #fff;
	font-family: calibri;
	font-size: 24px;
	text-align: center;
}
.myform{
	margin-top: 20px;
}
.sub .email{
	height: 35px;
	border: 1px solid #948691;
	background-color: rgba(255,255,255,0.1);
	color: #fff;
	border-radius: 7px;
	padding: 0 7px;
	width: 310px;
}
.sub .submit{
	height: 35px;
	background-color: rgba(255,255,255,0.255);
	border: 1px solid #fff;
	text-align: center;
	line-height: 33px;
	font-weight: bold;
	color: #fff;
	padding: 0px 25px;
	border-radius: 7px;
}

.footer{
	width: 100%;
	height: auto;
	padding: 25px 0px;
	text-align: center;
}
.footer h1{
	font-family: calibri;
	font-weight: normal;
	color: #fff;
}
.footer h1 b{
	font-weight: 700;
	margin-right: 5px;
}
.footer p{
	font-family: calibri;
	color: #fff;
	font-size: 18px;
	padding: 5px 0;
}

.menu,.mmenu{
	display: none;
}
.bodyFix{
	position: fixed;
}