@media only screen and (min-width: 992px) {
  .result-list > li span.pdf{
    background: url(../img/pdf.svg) no-repeat center / contain;
  }
  .result-list > li span.ppt,
  .result-list > li span.pptx,
  .result-list > li span.pot,
  .result-list > li span.potx {
    background: url(../img/ppt.svg) no-repeat center / contain;
  }
  .result-list > li span.xls,
  .result-list > li span.xlsx,
  .result-list > li span.xlt,
  .result-list > li span.xltx {
    background: url(../img/xls.svg) no-repeat center / contain;
  }
  .result-list > li span.doc,
  .result-list > li span.docx,
  .result-list > li span.dot,
  .result-list > li span.dotx {
    background: url(../img/doc.svg) no-repeat center / contain;
  }
}