@keyframes rozwin {
    0% {height: 0%;}
    50% {height: 40%;}
   100% {height: 100%;}
}

   @keyframes menu {
    0% {opacity: 0;
}
50% {opacity: 0;
}
    100%{ opacity: 1;}
}

@keyframes rozwin {
    0% {opacity: 0%;}
   100% {opacity: 100%;}
}

   @keyframes menu {
    0% {opacity: 0;
}
50% {opacity: 0;
}
    100%{ opacity: 1;}
}

@keyframes przyciemnienie {
from{
    background:rgba(0, 0, 0, 0) ;
}
to{
    background:rgba(0, 0, 0, 0.28) ;

}
}


@keyframes pokazlogo {
    from{
       height: 0%;
    }
    to{
        height: 100%;    
    }
    }