* {
    margin: 0;
    padding: 0;
    position: relative;
}

body {
    background-color: #fff;
    width: 100%;
    height: 100%;
    font-family: "Arial", sans-serif;
    font-weight: 100;
}

#header {
    margin: 0px auto;
    width: 100%;
    height: auto;
    background: #222222;
    text-align: center;
    color: #ffcc00;
    letter-spacing: 0.5mm;
}

#topMenu {
    margin-top: 5px;
    width: 100%;
    height: 60px;
    list-style-type: none;
    background: #222;
    text-align: center;
    color: #c0c0c0;
    text-decoration: none;
}

#topMenu ul li {
    display: inline;
    margin: 10px 10px;
}

a{
    text-decoration: none;
    color: #c0c0c0;
}

#leftMenu {
    width: 15%;
    height: 100%;
    float: left;
    text-align: center;
    background: #222;
    line-height: 40px;
    font-size: 20px;
}

a:hover {
    color: #222;
    background-color: #ffcc00;
}

#container{
    min-width:100px;
    max-width:1500px;
    min-height:200px;
    max-height:1200px;
    float: right;
    width: 85%;
    height: 100%;
    text-align: center;
    background: #f7f7f7;
    border-style: solid;
    border-width: 2px;
    border-color: #ffcc00;
    float: left;
    overflow: auto;
}

#main{
    display:flex;
    width: 100%;
    height:100%;
}

#footer {
    width: 100%;
    height: 30px;
    text-align: center;
    background-color: #222;
    font-size: 20px;
    clear: both;
    bottom: 0;
    color: white;
    position: fixed;
}

.active {
    color: #222;
    background-color: #ffcc00;
}

input[type=text] {
  width: 100px;
  -webkit-transition: width .35s ease-in-out;
  transition: width .35s ease-in-out;
}

input[type=text]:focus {
  width: 250px;
}

span:first-child {
    font-weight: bold;
}

p::first-line {
  background-color: #ffcc00;
}

p::first-letter {
  font-size: 200%;
  color: #222222;
}

p::after {
  content: " - Wazny opis";
}

p::before {
  content: "Artykul: ";
}

span {
  color: #222222;
  border: 1px solid black;
}

.extra span {
  color: inherit;
}

p.c {
  white-space: pre;
}

#header h2[atrybut~="h"] {
color: white;
background: black;
}

#footer > span {
font-weight: bold;
color:white;
}

#container p+span {
background: yellow;
display: block;
text-transform: uppercase;
}
#img-bg {
background-image: url('bg.jpg');
background-repeat: no-repeat;
background-size: 100% 100%;
width: 10%;
height: 10%;
}