* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Roboto', sans-serif;
}

body {
  background-color: #000000;
  color: white;
  min-height: 100vh;
  width: 100%;
}

.fotka {
  background-color: #121212;
  border-radius: 0 0 3vh 3vh;
  width: 100%;

  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  padding-bottom: 0;
}

.fotka img {
  width: 100%;
  aspect-ratio: 3 / 5;
  object-fit: cover; 

  border-radius: 0 0 3vh 3vh;
  display: block;
}

.o {
  padding: 3vh 5vw 6vh 5vw;
  width: 100%;
}

.o h2 {
  font-size: 2.5vh;
  margin-bottom: 1vh;
}

.predmety,
.triedna,
.kabinet {
  font-size: 1.8vh;
  color: #ccc;
}
.dokabinetu {
  position: absolute;
  bottom: -2.25vh;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5vh 2vw;
  font-size: 2vh;
  height: 4.5vh;
  width: 90%;
  background-color: #1a73e8;
  color: white;
  border: none;
  border-radius: 6vh;
  cursor: pointer;
  transition: background-color 0.3s ease;
  display: block;
  z-index: 10;
}

.dokabinetu:hover {
  background-color: #155ab6;
}

.rozvrhnapis {
  text-align: center;
  font-size: 3vh;
  font-weight: 100;
  letter-spacing: 8px;
  margin-top: 5vh;
  font-family: 'Roboto', sans-serif;
}

.rozvrh {
  background-color: #000000;
  padding: 3vh 5vw;
  width: 100%;
}

.rozvrh img {
  width: 100%;
  display: block;
}