body{
    background: url("tło.jpg");
    background-size: 100%;
    background-attachment: fixed;
    font-family: 'Source Sans Pro', sans-serif;


}
div.container{
    width: 1140px;
    margin: auto;
    padding: 0 15px;
    
}
div.main-content{
    width: 70%;
    float: left;
}

div.sidebar{
    width: 30%;
    float: left;
}
div.content{
    overflow: auto;
}
article, aside, footer, header, section{
    display: block;
}
iframe{
    width: 1140px;
    margin: auto;
    width: 100%;
    float: left;
    height: 641px;
}
article, .title, footer, aside{
    background: rgba(255, 255, 255, 0.6);
    padding: 10px;
}
header{
    margin-bottom: 15px;
    text-align: center;
    list-style: none;
    overflow: auto;
    padding: 0;
}
header div.title li.homes{
    font-size: 20px;
}
header div.title li.homes a{
    width: 100%;
    height: 100%;
}
header div li a{
    text-decoration: none; 
}
article{
    margin-right: 15px;
    margin-bottom: 15px;
    overflow: auto;
    text-align: justify;

}
footer{
    margin-top: 15px;
    text-align: right;
}
figure{
    float: left;
    border-right: 2px; 
    border-bottom: 2px; 
    padding: 10px;
}
figcaption{
    text-align: center;
}

section article h2{
    color: rgb(73, 73, 248);
    font-style: italic;
}
header h1{
    color: #000000;
}
aside h2{
    color: #EBEB28;
    font-style: oblique;
}
aside ul{
    list-style:disc;
    overflow: auto;
    padding: 14px;
    margin: 0px;
}
aside ul li a{
    text-decoration: none;
}
aside h3{
    margin-bottom: 2px;
}
div.elements *:hover{
    background: rgba(255, 255, 255, 0.3);
}
div.elements *:active{
    background: rgba(0, 0, 0, 0.3);
}
nav ul{
    list-style: none;
    overflow: auto;
    background: rgba(0, 0, 0, 0.6);
    padding: 0;
}
nav ul li{
    float: left;
    margin-right: 20px;
    height: 50px;
    width: 110px;
    margin: 2px;

}
nav ul li a{
    color: #ffffff;
    text-decoration: none;
    font-size: 18px;
    text-align: center;
    display: table;
    width: 100%;
    height: 100%;
 }
 nav ul li a span{
    display: table-cell;
    vertical-align: middle;
    font-size: 17px;
 }
.home{
    background: rgba(41, 170, 224, 0.5);
}
fieldset{
    margin-bottom: 15px;
    text-align: center;
    list-style: none;
    overflow: auto;
    padding: 0;
    margin-top: 10px;
}
fieldset a{
    text-decoration: none;
    color: #000000;
}