nrrrdcore

.bended-shadow {
  position: relative; 
  width: 500px; 
  margin: 200px auto;
}

.bended-shadow::before, .bended-shadow::after {
  content: '';
  position: absolute;
  width: 60%;

nrrrdcore

.border-container {
  width: 28%; /* border will be on the left on this container */
  float: right;
  overflow: hidden; /* only needed if floating container */
  min-height: 600px; /* static height if you want your container to be taller than its content */
  -moz-box-shadow: inset 15px 0 5px -16px rgba(0,0,0,.1), -1px 0 0 #FFF;
  -webkit-box-shadow: inset 15px 0 5px -16px rgba(0,0,0,.1), -1px 0 0 #FFF;
  box-shadow: inset 15px 0 5px -16px rgba(0,0,0,.1), -1px 0 0 #FFF;
  border-width: 0 0 0 1px;
  -webkit-border-image: