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<form class="dark-box">
  <h1>Bank of Gotham</h1>
  <div class="inset">
  <p>
    
    <input required type="email" name="email" id="email" class="dark-input" />
    <label for="email">LOGIN</label>
  </p>
  <p>
    <input type="password" name="password" id="password" class="dark-input" />
    <label for="password">PASSWORD</label>
  </p>
  </div>
  <p class="container">
    <input type="submit" name="go" id="go" value="Submit" class="dark-button">
  </p>
</form>
@import url(http://fonts.googleapis.com/css?family=Special+Elite);

@color-one: #111;
@color-two: #222;
@color-three: #333;

@color-action: #000000;
@color-text: rgba(255, 255, 255, .8);

@border-color-one: #000;
@border-color-two: #19191a;


@background-radial-gradient: radial-gradient(circle, @color-three, @color-one);
@background-radial-gradient-dark: radial-gradient(circle, @color-two, @color-one);

* {
	box-sizing: border-box;
}


html {
	height: 100%;
}

body {
	font-family: Special Elite;
	color: @color-text;
	font-size: 12px;
	background-image: @background-radial-gradient;
	background-repeat: no-repeat;
	height: 100%;
}

.shadow(@bg: @color-one) {
	box-shadow: 1px 1px 0 @bg,
	2px 2px 0 @bg;
	//3px 3px 0 @bg,
	//4px 4px 0 @bg;
}

.dark-box {
	background-image: @background-radial-gradient-dark;
	width: 300px;
	height: 300px;
	border-radius: 0;
	border: 1px solid @border-color-one;
	overflow: hidden;
	position: relative;
	margin: auto;
  box-shadow: 0 0 22px 4px rgba(255,255,255, .05), 0 0 3px rgba(0,0,0,.7);
	position: absolute;
	top: 0;
	left: 0;
	bottom: 0;
	right: 0;
	&:after {
		content: "";
		display: block;
		position: absolute;
		height: 1px;
		width: 100px;
		left: 35%;
		top: 0;
		// little gradient line
		background: linear-gradient(left, rgba(0, 0, 0, .05), #444, #b6b6b8, #444, rgba(0, 0, 0, .05));
		transition: all 1s;
	}
	&:before {
		content: "";
		display: block;
		position: absolute;
		width: 8px;
		height: 5px;
		transition: transform 1s;
		border-radius: 50%;
		left: 50%;
		top: -7px;
		box-shadow: 0 0 6px 4px #fff;
	}
	&:hover {
		&::before {
			transform: translate(40px, -10px);
		}
		&::after {
			transform: translate(40px, 0);
			opacity: .2;
		}
		h1 { 
      color: @color-text;
      &:after {
        opacity: .4;
        height: 60px;
        transform-origin: 43% 200%; 
        transform: rotate(76deg);
      }
    }
	}

	h1 {
    color: fade(@color-text, 50%);
		font-size: 24px;
		text-shadow: 1px 1px 1px @border-color-one;
		text-align: center;
		padding: 0px;
    padding-bottom: 14px;
    margin-bottom: 0;
		border-bottom: 1px solid @border-color-two;
		position: relative;
    background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,.5));
    box-shadow: inset 0 -2px 2px rgba(0,0,0,.9);
    transition: all 1s;
    transform: translate3d(0,0,100);
		
    &:after {
      transform-origin: 50% 50%;
			content: "";
			display: block;
			width: 200%;
			height: 84px;
			position: absolute;
			top: 0;
			left: -40%;
			pointer-events: none;
			// box-shadow: -10px -10px 10px rgba(0,0,0,.1);
      z-index: 1000;
			transform: rotate(70deg);
			background: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(255, 255, 240, 0.08));
			transition: all 1s;
      
		}
	}
}

.inset {
	padding: 0 20px 0 20px;
	border-top: 1px solid @border-color-one;
}

label {
	color: #666;
	display: block;
	padding-bottom: 9px;
  transform: translate(0, -30px);
}

.dark-input {
  transform: translate3d(0, 40px, 0);
	width: 100%;
	color: white;
	padding: 8px 5px;
	background: linear-gradient(#222, #1a1a1a);
	border: 1px solid #000;
	border-left-color: rgba(255, 255, 200, 0.1);
	.shadow();
	border-radius: 0;
	margin-bottom: 20px;
	&:focus {
		outline: none;
		border-left-color: rgba(255, 255, 200, 0.5);
		background: #222;
		.shadow(#000);
    + label {
      color: white;
    }
	}
}

.container {
	padding: 0 20px 20px 20px;
	&:after {
		clear: both;
		display: table;
		content: "";
	}
}

.dark-button {
	padding: 12px;
	padding-bottom: 8px;
	border: 1px solid @border-color-two;
	text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.4);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1),	inset 0 18px 4px rgba(255, 255, 255, 0.2);
	background: @color-action;
	text-transform: uppercase;
	color: fade(@color-text, 50%);
	float: right;
	font-weight: bold;
	font-size: 14px;
	font-family: Special Elite;
  transition: all .3s;
	&:hover {
		border-color: @border-color-one;
    background-color: lighten(@color-action, 5%);
    color: @color-text;
	}
}
 
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