*{
    font-family:"Century Gothic", Arial;
}

body{
background-color: blanchedalmond;
}
header, footer{
    background-color: sienna;
    color: white;
    padding: 5px;
    text-align: center;
    font-size: 130%;
}
#lewa{
background-color: NavajoWhite;
margin: 10px;
padding: 20px;
width: 35%;
height: 400px;
text-shadow: 5px 5px 10px dimgray;
float: left;
}
nav{
    width:50%;
    height: 50px;
}
#prawa{
    width: 50%;
    height: 420px;
    overflow: auto;
}
 
 input[type = "number"],
 input[type= "button"]{
    margin-top: 20px;
 }
li{
    display:inline-block;
}
img{
    width: 10%;
    float:left;
}
a{
    color: sienna;
    margin-right: 30px;
}
a:hover{
    color: #4C1900
}
#lewa, #prawa{
    float:left;
}
footer{
    clear:both;
}