[class^="vk-corner-"] {
  position: absolute;
}
.vk-corner__inner{
  height: 100%;
  overflow: hidden;
}
.vk-corner__inner:hover {
  overflow: auto;
}
.vk-corner{
  position: relative;
  height: 100%;
  width: 100%;
}
.vk-corner-lt{
  top: 0;
  left: 0;
}
.vk-corner-rt{
  top: 0;
  right: 0;
}
.vk-corner-lb{
  bottom: 0;
  left: 0;
}
.vk-corner-rb{
  bottom: 0;
  right: 0;
}