Forum Moderators: not2easy
<style>
#display_only_a_part{
overflow: hidden;
background:none repeat scroll 0 0;
width: 400px;
height: 180px;
position: relative;
margin-left:auto;
margin-right:auto;
padding-top:auto;
}
</style>
#display_only_a_part {
/*styles for demonstration */
margin:0 auto;
color:#fff;
font-size:2em;
border:1px solid red;
/*image set-up - adjust the height and width of the container, and the position of the image to suit*/
width:450px;
height:100px;
background: transparent url(my_image.jpg) center -200px no-repeat;
}
<p id="display_only_a_part">Actual image is 450 x 300, but this shows the full width (center) and the lower 100px (-200px)</p>