.svg-inbox {
  background-image: url(inbox.svg) !important;
  background-size: 100% 200%;
  background-position: 0% 0% !important;
  background-repeat: no-repeat;
}

.svg-inbox:hover {
  background-position: 100% 100% !important;
}

.svg-browser{background-image:url(browser.png) !important ; }