$grad_start: rgba(255,255,255, 100%);
$grad_end: rgba(255,255,255, 0%);
$fadeout_start: $grad_start  0%;
$fadeout_end: $grad_end 100%;

.fadeout--sides {
  &::before {
    content: "";
    position: absolute;
    width: 50px;
    height: 100%;
    left: 0;
    top: 0;
    display: block;
    z-index: 100;
    border: 1px solid red;
    background: -moz-linear-gradient(left, $fadeout_start, $fadeout_end);
    background: -webkit-linear-gradient(left, $fadeout_start, $fadeout_end);
    background: linear-gradient(to right, $fadeout_start, $fadeout_end);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#00ffffff',GradientType=1 );
  }

  &::after {
    content: "";
    position: absolute;
    width: 50px;
    height: 100%;
    right: 0;
    top: 0;
    display: block;
    z-index: 100;
    border: 1px solid red;
    background: -moz-linear-gradient(left, $fadeout_start, $fadeout_end);
    background: -webkit-linear-gradient(left, $fadeout_start, $fadeout_end);
    background: linear-gradient(to right, $fadeout_start, $fadeout_end);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffffff', endColorstr='#00ffffff',GradientType=1 );
  }
}