body {
 font-family: Arial, Verdana, Helvetica;
 background-color: black;
 box-sizing: border-box;
}

.napis{
  white-space: nowrap;
  overflow: hidden;
  display: block;
  font-size: 20px;
  color: white;
  background: #000;
  padding: 10px;
  width: 100%;
}
#p-napis {
  animation: marquee 15s linear infinite;
}

@keyframes marquee {
  from { transform: translateX(100%); }
  to { transform: translateX(-100%); }
}

  
.napis-zewn {
  background: black;
  width: 100%;
  position: top;
}
  
form {
  justify-content: center;
  text-align: center;
  align-items: center;
  position: fixed;
  width: 100%;
  border-radius: 1.25em;
}
#tekst {
  font-size: 18pt;
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  text-align: center;
  background-color: black;
  color: snow;
  border: 1px solid black;
}
h1 {
  text-align: center;
  color: white;}
h2 {
  color: white;}
h3 {
  color: white;}
h4 {
  color: white;
  padding: 0.6em
}
p {
  color: white;}
a {
  color:darkgreen;
  text-decoration: none;

}
.pilne {
  color:red;
}

.panel {
  display: flex;
}

.radio > ul {
  list-style-type: circle;
}
.radio > li {
  padding: 0.75em;
  text-decoration: none;
}

caption {
  color: white;
}

.user-agent {
color: white;
}

.menu {
	display: flex;
  justify-content: space-around;
}

.kacik {
	background-color: darkslategrey;
  display: flex;
  margin: auto;
	border-radius: 1.5em;
  padding: 0.5em;
}

nav {
  background-color: lightblue;
  align-content: space-around;
  align-items: center;
  justify-items: center;
  justify-content: center;
  text-align: center;
  border-radius: 1.25em;
  margin: 1em;
}
.elementy {
  font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  display: inline-flex;
  margin: 0.75em;
  padding: 0.5em;
  font-size: 1.75em;
  font-weight: bold;
  text-decoration: none;
}

.iframe {
  margin: 0.6em;
  display: flex;
  align-items: center;
  justify-items: center;
  justify-content: center;
  border-radius: 0.85em;
}

footer {
  text-align: center;
}

aside {
  font-size: 1.5em;
}