#panel {
    width: 350px;
    height: 100px;
    background-color: black;
    border: 5px white double;
}

.hiv:hover {
    cursor: pointer;
    text-decoration:underline;
}

#Rgb_wynik, #Hex_wynik {
     border: 5px white double;
     text-align: center;
     color: white;
}

body {
 background: linear-gradient(135deg, rgba(35,133,250,1) 0%, rgba(138,211,250,1) 60%, rgba(164,220,246,1) 100%);
  min-height: 100vh;
}

table {
 display: flex;
  justify-content: center;
}

#guzik {
  display: flex;
  justify-content: center;
  color: white;
}