Untitled

//////////////////////////////////////////////////////////CSS/////////////////////////////////////////////////
 
@import url('https://fonts.googleapis.com/css2?family=Black+Ops+One&family=Bungee+Outline&display=swap');
 
body {
font-family: 'Black Ops One', cursive;
  font-size:30px;
}
 
h1 {
 
  color: #373fff;
 
}
 
img{
  display:none;
}
 
#kontener{
 
  width:1000px;
  margin-left:auto;
  margin-right:auto;
  text-align:center;
 
}
 
input{
  font-family: 'Black Ops One', cursive;
  width:50px;
  height:50px;
  font-size:35px;
}
 
button{
  width:200px;
  height:50px;
  background-color: #fa4a0a;
  color: white;
  cursor:pointer;
  font-size: 16px;
  border-radius: 4px;
  transition-duration: 0.4s;
  border: 2px solid #fa4a0a;
  text-transform:uppercase;
  font-family: 'Black Ops One', cursive;
 
}
 
button:hover {
  background-color: white; 
  color: black;
 
}
 
p{letter-spacing:4px;}
 
.aktywny{
 
  display:block;
 
}
 
.ukryty{
 
   display:none;
 
}