.drop-shadow {
position:relative;
-webkit-box-shadow:0 1px 15px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 0, 0, 0.1) inset;
-moz-box-shadow:0 1px 15px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 0, 0, 0.1) inset;
box-shadow:0 1px 15px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}

.drop-shadow:before,
.drop-shadow:after {
content:"";
position:absolute;
z-index:-2;
}
.simple {
-webkit-box-shadow:0 5px 15px rgba(0, 0, 0, 0.8);
-moz-box-shadow:0 5px 15px rgba(0, 0, 0, 0.8);
box-shadow:0 5px 15px rgba(0, 0, 0, 0.8);
}
/* Lifted corners */

.lifted {
-moz-border-radius:4px;
border-radius:4px;
}

.lifted:before,
.lifted:after {
bottom:15px;
left:10px;
width:50%;
height:20%;
max-width:300px;
max-height:100px;
-webkit-box-shadow:0 15px 20px rgba(0, 0, 0, 0.8);
-moz-box-shadow:0 15px 20px rgba(0, 0, 0, 0.8);
box-shadow:0 15px 20px rgba(0, 0, 0, 0.8);
-webkit-transform:rotate(-3deg);
-moz-transform:rotate(-3deg);
-ms-transform:rotate(-3deg);
-o-transform:rotate(-3deg);
transform:rotate(-3deg);
}

.lifted:after {
right:10px;
left:auto;
-webkit-transform:rotate(3deg);
-moz-transform:rotate(3deg);
-ms-transform:rotate(3deg);
-o-transform:rotate(3deg);
transform:rotate(3deg);
}

/* Curled corners */
.curled {
-moz-border-radius:0 0 10% 10% / 0 0 6px 6px;
border-radius:0 0 120px 120px / 0 0 6px 6px;
}

.curled:before,
.curled:after {
bottom:12px;
left:10px;
width:50%;
height:55%;
max-width:200px;
max-height:100px;
-webkit-box-shadow:0 8px 18px rgba(0, 0, 0, 0.6);
-moz-box-shadow:0 8px 18px rgba(0, 0, 0, 0.6);
box-shadow:0 8px 18px rgba(0, 0, 0, 0.6);
-webkit-transform:skew(-8deg) rotate(-3deg);
-moz-transform:skew(-8deg) rotate(-3deg);
-ms-transform:skew(-8deg) rotate(-3deg);
-o-transform:skew(-8deg) rotate(-3deg);
transform:skew(-8deg) rotate(-3deg);
}

.curled:after {
right:10px;
left:auto;
-webkit-transform:skew(8deg) rotate(3deg);
-moz-transform:skew(8deg) rotate(3deg);
-ms-transform:skew(8deg) rotate(3deg);
-o-transform:skew(8deg) rotate(3deg);
transform:skew(8deg) rotate(3deg);
}

/* Perspective */

.perspective:before {
left:80px;
bottom:5px;
width:50%;
height:35%;
max-width:200px;
max-height:50px;
-webkit-box-shadow:-80px 0 8px rgba(0, 0, 0, 0.4);
-moz-box-shadow:-80px 0 8px rgba(0, 0, 0, 0.4);
box-shadow:-80px 0 8px rgba(0, 0, 0, 0.4);
-webkit-transform:skew(50deg);
-moz-transform:skew(50deg);
-ms-transform:skew(50deg);
-o-transform:skew(50deg);
transform:skew(50deg);
-webkit-transform-origin:0 100%;
-moz-transform-origin:0 100%;
-ms-transform-origin:0 100%;
-o-transform-origin:0 100%;
transform-origin:0 100%;
}

.perspective:after {
display:none;
}

/* Raised shadow - no pseudo-elements needed */

.raised {
-webkit-box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
-moz-box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
box-shadow: 0 15px 10px -10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}

/* Curved shadows */

.curved:before {
top:10px;
bottom:10px;
left:0;
right:50%;
-webkit-box-shadow:0 0 30px rgba(0,0,0,0.9);
-moz-box-shadow:0 0 30px rgba(0,0,0,0.9);
box-shadow:0 0 30px rgba(0,0,0,0.9);
-moz-border-radius:10px / 100px;
border-radius:10px / 100px;
}

.curved-vt-2:before {
right:0;
}

.curved-hz-1:before {
top:50%;
bottom:0;
left:10px;
right:10px;
-moz-border-radius:100px / 10px;
border-radius:100px / 10px;
}

.curved-hz-2:before {
top:0;
bottom:0;
left:10px;
right:10px;
-moz-border-radius:100px / 10px;
border-radius:100px / 10px;
}

/* Rotated box */

.rotated {
-webkit-box-shadow:none;
-moz-box-shadow:none;
box-shadow:none;
-webkit-transform:rotate(-3deg);
-moz-transform:rotate(-3deg);
-ms-transform:rotate(-3deg);
-o-transform:rotate(-3deg);
transform:rotate(-3deg);
}

.rotated > :first-child:before {
content:"";
position:absolute;
z-index:-1;
top:0;
bottom:0;
left:0;
right:0;
background:#fff;
-webkit-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
-moz-box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
box-shadow:0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
}