Полупрозрачная рамка внутри картинки

* { 
margin: 0; 
padding: 0; 
} 
img { 
position: relative; 
width: 100%; 
z-index: -1; 
} 
div { 
-webkit-box-shadow: inset 0px 0px 0px 19px rgba(0,0,0,0.3); 
-moz-box-shadow: inset 0px 0px 0px 19px rgba(0,0,0,0.3); 
box-shadow: inset 0px 0px 0px 19px rgba(0,0,0,0.3); 
}

<div> 
<img src="http://man-man.nl/app/uploads/fly-images/12011/lingerie-dame-1200x545-c.jpg" /> 
</div>

* { 
  margin: 0; 
  padding: 0; 
} 
 
img { 
  width: 700px; 
  height: 370px; 
  outline-offset: -30px; 
  outline: 30px solid rgba(0, 0, 0, .5); 
}

<img src="http://man-man.nl/app/uploads/fly-images/12011/lingerie-dame-1200x545-c.jpg" />

* { 
  margin: 0; 
  padding: 0; 
} 
 
img { 
  width: 700px; 
  height: 370px; 
  position: absolute; 
} 
 
.box { 
  position: relative; 
  width: 700px; 
  height: 370px; 
} 
 
.box:after { 
  content: ""; 
  position: absolute; 
  display: block; 
  width: calc(100% - 60px); 
  height: calc(100% - 60px); 
  border: 30px solid rgba(0, 0, 0, .5); 
}

<div class="box"> 
  <img src="http://man-man.nl/app/uploads/fly-images/12011/lingerie-dame-1200x545-c.jpg" /> 
</div>