<div id="container" class="angled-top-left">
	<div class="content">
		<h1>Angled Edge</h1>
		<p>Here's the demo for applying the angled edges. Change the selections to apply the angled edge in the direction you want.</p>
		<select id="selectStyle" onchange="changeStyle()">
			<option value="angled-top-left">Angle Top Left</option>
			<option value="angled-top-right">Angle Top Right</option>
			<option value="angled-bottom-left">Angle Bottom Left</option>
			<option value="angled-bottom-right">Angle Bottom Right</option>
			<option value="angled-both-left">Angle Both Left</option>
			<option value="angled-both-right">Angle Both Right</option>
			<option value="angled-both-left-right">Angle Both Left Right</option>
			<option value="angled-both-right-left">Angle Both Right Left</option>
		</select> 
	</div>
</div>

$color1: #011627; //rgba(1, 22, 39, 100)
$color2: #fdfffc; //rgba(253, 255, 252, 100)
$color3: #2ec4b6; //rgba(46, 196, 182, 100)
$color4: #e71d36; //rgba(231, 29, 54, 100)
$color5: #ff9f1c; //rgba(255, 159, 28, 100)

body{
	margin: 0;
	font-family: 'Open Sans', sans-serif;
	font-size: 14px;
	color: #555;
}

#container{
  margin-top: 100px;
	height: 400px;
	width: 100%;
	position: relative;
}
.content{
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	background: rgba(#fff, 0.9);
	border-radius: 8px;
	width: 25%;
	padding: 40px;
	text-align: center;
	-webkit-box-shadow: 0 0 8px 0 rgba(0,0,0, 0.12);
	box-shadow: 0 0 8px 0 rgba(0,0,0, 0.12);
	h1{
		font-family: Georgia, serif;
		font-size: 40px;
		font-weight: normal;
	}
}
#selectStyle{
	margin-top: 20px;
}

@mixin angle-edge($pos-top:null, $angle-top:null, $pos-btm:null, $angle-btm:null){
	width: 100%;
	position: relative;
	background: linear-gradient(to right, rgba(241,231,103,1) 0%, rgba(254,182,69,1) 100%);
	&:before,
	&:after{
		content: '';
		width: 100%;
		height: 100%;
		position: absolute;
		background: inherit;
		z-index: -1;
		transition: ease all .5s;
	}

	@if $pos-top{
		&:before{
			@if $pos-top == 'topleft'{
				top: 0;
				transform-origin: right top;
				transform: skewY($angle-top);
			}
			@if $pos-top == 'topright' {
				top: 0;
				transform-origin: left top;
				transform: skewY(-$angle-top);
			} 
		}
	}

	@if $pos-btm{
		&:after{
			@if $pos-btm == 'bottomleft' {
				bottom: 0;
				transform-origin: right bottom;
				transform: skewY(-$angle-btm);
			} 

			@if $pos-btm == 'bottomright' {
				bottom: 0;
				transform-origin: left bottom;
				transform: skewY($angle-btm);
			} 
		}
	}


}

.angled-top-left{
	@include angle-edge($pos-top: topleft, $angle-top: 3deg);
}

.angled-top-right{
	@include angle-edge($pos-top: topright, $angle-top: 3deg);
}

.angled-bottom-left{
	@include angle-edge($pos-btm: bottomleft, $angle-btm: 3deg);
}

.angled-bottom-right{
	@include angle-edge($pos-btm: bottomright, $angle-btm: 3deg);
}

.angled-both-left{
	@include angle-edge(topleft, 3deg, bottomleft, 3deg);
}
.angled-both-right{
	@include angle-edge(topright, 3deg, bottomright, 3deg);
}
.angled-both-left-right{
	@include angle-edge(topleft, 3deg, bottomright, 3deg);
}
.angled-both-right-left{
	@include angle-edge(topright, 3deg, bottomleft, 3deg);
}

function changeStyle() {
	var x = document.getElementById("selectStyle").value;
	document.getElementById("container").className = "" + x;
}