body {
  background-color: #141f30;
  font-family: Arial, 'Helvetica Neue', Helvetica, sans-serif;
  color: #333;
  font-size: 14px;
  line-height: 20px;
  margin: 0;
}


.obraz-grid {
  display: -ms-grid;
  display: grid;
  width: 100vw;
  height: 100vh;
  grid-auto-columns: 1fr;
  grid-column-gap: 0px;
  grid-row-gap: 0px;
  -ms-grid-columns: 1fr 1fr 1fr 1fr;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  -ms-grid-rows: auto auto;
  grid-template-rows: auto auto;
}

.obraz-box {
  position: relative;
  height: 50vh;
  background-color: #000;
}

.obraz {
  position: absolute;
  left: 0%;
  top: 0%;
  right: 0%;
  bottom: 0%;
  width: 100%;
  height: 100%;
  padding: 31px;
  -o-object-fit: cover;
  object-fit: cover;
}

.rama {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  -o-object-fit: fill;
  object-fit: fill;
}

.kurtyna {
  position: absolute;
  left: 0%;
  top: 0%;
  right: 0%;
  bottom: 0%;
  z-index: 1;
  display: block;
  background-color: #141f30;
}

.title-box {
  color: #fff;
    display: flex;
    align-items: center;
    height: 100vh;
    width: 100vw;
    justify-content: center;
}

.kurtyna.off {
  display: none;
}