<div class ="box effect1">
    <h3>Effect 1</h3>
    </div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 1
 * ===============================================*/
.effect1{
    -webkit-box-shadow: 0 10px 6px -6px #777;
	  -moz-box-shadow: 0 10px 6px -6px #777;
		  box-shadow: 0 10px 6px -6px #777;
}</style>

CSS Box Shadow Effects2
This effect will add shadows to the bottom corners of the boxes to create a lifted corner look on the boxes.
This effect uses both the :before and :after properties to create new elements used for the corners.
The HTML
<div class ="box effect2">
    <h3>Effect 2</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 2
 * ===============================================*/
.effect2
{
  position: relative;
}
.effect2:before, .effect2:after
{
  z-index: -1;
  position: absolute;
  content: "";
  bottom: 15px;
  left: 10px;
  width: 50%;
  top: 80%;
  max-width:300px;
  background: #777;
  -webkit-box-shadow: 0 15px 10px #777;
  -moz-box-shadow: 0 15px 10px #777;
  box-shadow: 0 15px 10px #777;
  -webkit-transform: rotate(-3deg);
  -moz-transform: rotate(-3deg);
  -o-transform: rotate(-3deg);
  -ms-transform: rotate(-3deg);
  transform: rotate(-3deg);
}
.effect2:after
{
  -webkit-transform: rotate(3deg);
  -moz-transform: rotate(3deg);
  -o-transform: rotate(3deg);
  -ms-transform: rotate(3deg);
  transform: rotate(3deg);
  right: 10px;
  left: auto;
}
</style>

CSS Box Shadow Effects3
This uses half of the effect approve and will add a lifted corner to the bottom left of the box.
The HTML
<div class ="box effect3">
    <h3>Effect 3</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}

/*==================================================
 * Effect 3
 * ===============================================*/
.effect3
{
  position: relative;
}
.effect3:before
{
  z-index: -1;
  position: absolute;
  content: "";
  bottom: 15px;
  left: 10px;
  width: 50%;
  top: 80%;
  max-width:300px;
  background: #777;
  -webkit-box-shadow: 0 15px 10px #777;
  -moz-box-shadow: 0 15px 10px #777;
  box-shadow: 0 15px 10px #777;
  -webkit-transform: rotate(-3deg);
  -moz-transform: rotate(-3deg);
  -o-transform: rotate(-3deg);
  -ms-transform: rotate(-3deg);
  transform: rotate(-3deg);
}
</style>

CSS Box Shadow Effects4
Effect 4 will lift the corner on the bottom right of the box.
The HTML
<div class ="box effect4">
    <h3>Effect 4</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 4
 * ===============================================*/
.effect4
{
  position: relative;
}
.effect4:after
{
  z-index: -1;
  position: absolute;
  content: "";
  bottom: 15px;
  right: 10px;
  left: auto;
  width: 50%;
  top: 80%;
  max-width:300px;
  background: #777;
  -webkit-box-shadow: 0 15px 10px #777;
  -moz-box-shadow: 0 15px 10px #777;
  box-shadow: 0 15px 10px #777;
  -webkit-transform: rotate(3deg);
  -moz-transform: rotate(3deg);
  -o-transform: rotate(3deg);
  -ms-transform: rotate(3deg);
  transform: rotate(3deg);
}
</style>

CSS Box Shadow Effects5
This is expands on the effect 2 and will increase the angle of the shadows.
The HTML

<div class ="box effect5">
    <h3>Effect 5</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 5
 * ===============================================*/
.effect5
{
  position: relative;
}
.effect5:before, .effect5:after
{
  z-index: -1;
  position: absolute;
  content: "";
  bottom: 25px;
  left: 10px;
  width: 50%;
  top: 80%;
  max-width:300px;
  background: #777;
  -webkit-box-shadow: 0 35px 20px #777;
  -moz-box-shadow: 0 35px 20px #777;
  box-shadow: 0 35px 20px #777;
  -webkit-transform: rotate(-8deg);
  -moz-transform: rotate(-8deg);
  -o-transform: rotate(-8deg);
  -ms-transform: rotate(-8deg);
  transform: rotate(-8deg);
}
.effect5:after
{
  -webkit-transform: rotate(8deg);
  -moz-transform: rotate(8deg);
  -o-transform: rotate(8deg);
  -ms-transform: rotate(8deg);
  transform: rotate(8deg);
  right: 10px;
  left: auto;
}
</style>

CSS Box Shadow Effects6
This effect will create a curved shadow at the bottom of the box.
The HTML
<div class ="box effect6">
    <h3>Effect 6</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 6
 * ===============================================*/
.effect6
{
	 position:relative;
    -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;
}
.effect6:before, .effect6:after
{
    content:"";
    position:absolute;
    z-index:-1;
    -webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
    -moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
    box-shadow:0 0 20px rgba(0,0,0,0.8);
    top:50%;
    bottom:0;
    left:10px;
    right:10px;
    -moz-border-radius:100px / 10px;
    border-radius:100px / 10px;
}
</style>

CSS Box Shadow Effects7
This effect uses the previous effect and adds another shadow to the top of the box.
The HTML
<div class ="box effect7">
    <h3>Effect 7</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 7
 * ===============================================*/
.effect7
{
	 position:relative;
    -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;
}
.effect7:before, .effect7:after
{
    content:"";
    position:absolute;
    z-index:-1;
    -webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
    -moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
    box-shadow:0 0 20px rgba(0,0,0,0.8);
    top:0;
    bottom:0;
    left:10px;
    right:10px;
    -moz-border-radius:100px / 10px;
    border-radius:100px / 10px;
}
.effect7: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);
}
</style>

CSS Box Shadow Effects8
The final effect will add rounded shadows to either side of the box.
The HTML
<div class ="box effect8">
    <h3>Effect 8</h3>
</div>
<style>
.box h3{
    text-align:center;
    position:relative;
    top:80px;
}
.box {
    width:70%;
    height:200px;
    background:#FFF;
    margin:40px auto;
}
/*==================================================
 * Effect 8
 * ===============================================*/
.effect8
{
	 position:relative;
    -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;
}
.effect8:before, .effect8:after
{
    content:"";
    position:absolute;
    z-index:-1;
    -webkit-box-shadow:0 0 20px rgba(0,0,0,0.8);
    -moz-box-shadow:0 0 20px rgba(0,0,0,0.8);
    box-shadow:0 0 20px rgba(0,0,0,0.8);
    top:10px;
    bottom:10px;
    left:0;
    right:0;
    -moz-border-radius:100px / 10px;
    border-radius:100px / 10px;
}
.effect8: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);
}
</style>