body{
  font-family: 'Lato', sans-serif;
  background-image: url("kratka.jpg");
}

table {
  border: 1px solid black;
  border-collapse: collapse;
  font-size: 12px;
}

h2 {
  text-align: center;
}
td {
  border: 1px solid black;
  padding: 5px;
  text-align: center;
}

#czerwony{
  background-color: #ff2200;
}
#pierwszy_wiersz {
  background-color: #bbb;
}

#naglowek{
  font-size: medium;
  font-weight: 900;
  color: #4d2600;
  text-shadow: 1px 1px 2px orange;
  text-align: center;
}

#komunikat{
  width: 350px;
  height: 80px;
  border-radius: 10px;
  border: medium solid red;
  background-color: rgba(255, 0, 0, 0.7);
  text-align: center;
  padding: 25px;
}

.duzy{
  width: 100%;
  display: flex;
  justify-content: center;
}

.niewidoczny {
  display: none;
}
table{
  text-align: center;
  padding: 20px;
  margin-top: 35px;

}

.oceny{
  background-color: #ffc;
  width: 150px;
  text-align: left;
}

.obramowanie{
  border: thin solid #404040;
  border-radius: 10px;
  width: 40%;
  float: left;
  background-color: rgba(220,220,220, 0.7);
  margin: 15px;
  padding: 20px;
}