*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}
.banner{
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(rgb(0, 0, 0),rgba(255, 238, 0, 0.192)),url(tlo.jpg);
    background-position: center;
    background-size: cover;
}
nav{
    background-color: #bd9460;
    height: 80px;
    width: 100%;
    background-image: linear-gradient(rgba(0, 0, 0, 0.822),rgba(255, 238, 0, 0.596))
}
.pasek{
    width: 50%;
    margin:auto;
    padding: 30px 0;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;

}
.pasek ul li{
    list-style: none;
    display: inline-block;
    margin: 0 20px;
    position: relative;
}
.pasek ul li a{
    color: rgb(0, 0, 0);
    text-decoration: none;
    text-transform: uppercase;
}
.pasek ul li::after{
    content: '';
    height: 3px;
    width: 0;
    background: rgb(0, 0, 0);
    position: absolute;
    left: 0;
    bottom: -1px;
    transition: 1s;
}
.pasek ul li:hover::after{
    width: 100%;
}
.informacje{
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
}
.informacje h1{
    -webkit-text-stroke: 2px rgb(255, 238, 0);
    font-size: 60px;
    font-weight: 20px;
    text-shadow: 0.2em 0.2em 0.1em rgb(0, 0, 0)
}

.informacje p{
    font-size: 30px;
   color: white;
   -webkit-text-stroke: 1px rgb(0, 0, 0);
   text-decoration: underline double black; text-underline-offset: 0.4em;
}

footer{
    width: 100%;
   position: absolute;
   bottom: 20%
}

button{
    width: 200px;
    padding: 15px 0;
    text-align: center;
    margin: 20px 10px;
    border-radius: 25px;
    font-weight: bold;
    border: 4px solid rgb(0, 0, 0);
    background:transparent;
    color: rgb(255, 255, 255);
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

span{
    background: rgb(0, 0, 0);
    height: 100%;
    width: 0;
    border-radius: 25px;
    left: 0;
    position: absolute;
    bottom: 0;
    z-index: -1;
    transition: 1s;
}

button:hover span{
    width: 100%;
}
button:hover{
    border: none;
}

.przycisk a{
    color: rgb(255, 255, 255);
    text-decoration: none;
    text-transform: uppercase;
}