.andr {
        width: 64px;
        height: 64px;
}
.centrovany {
        text-align: center;
}
#čas {
        text-align: right;
}
#oandroide td {
        width: 33%;
        padding: 20px;
        vertical-align: top;
}
body {
        background: url('obrazky/greendroid.jpg');
      
        margin: 0 auto;
        padding: 0;
        font-family: Arial, sans-serif;
        font-size: 100%;
}
header {
        height: 76px;
        background: url('obrazky/pozadie_sede.png');
        
}
footer {
        background: url('obrazky/pozadie_sede.png');
        height: 40px;
        color: white;
        margin: 20px 0 0 0px;
        position: absolute;
        bottom: 0px;
        width: 100%;
        text-align: center;
}
footer a {
        color:  #8AB821;
        text-decoration: none;
}
#logo {
        background: url('obrazky/logopm.png') no-repeat;
        width: 250px;
        height: 60px;
        float: left;
        margin: 7px 0px 0px 20px;
}
#logo h1 {
        margin: 14px 0px 0px 10px;
}
nav a {
        color: white;
        text-decoration: none;
}
a {
        color: #8AB821;
        text-decoration: none;
}
nav a:hover {
        color: #8AB821;
        text-decoration: none;
        font-size: 19px;
}

nav ul li:hover, .aktivne {
        border-bottom: 4px solid #8AB821; 
}         
.aktivne a {
        color: #8AB821;
        font-size: 19px;
}
nav ul {
        margin: 0px;
        list-style-type: none;
}
nav ul li {
        float: left;
        padding: 0px 25px;
        margin: 0 0px;
        font-size: 17px;
        height: 73px;
        line-height: 4.3em;
}
#centrovac {
        margin: 0px auto;
        width: 960px;
}
h2, h3, h4, h5, h6 {
        text-align: left;
        color: #0a294b;                                        
        font-family: Arial;
}
h1 {
        font-size: 2em;
        font-weight: normal;
        color: white;
        text-align: center;
        text-shadow: 2px 2px 1px #0a294b;
}
article {
        background-size: cover;
        padding: 30px 0px;
}
article header {
        width: 250px;
        float: left;
        position: static;
        background: none;
}
article section {
        width: 666px;
        padding: 20px;
        float: left;
        background: white;
        border: 2px solid #006797;
        box-shadow: 2px 2px 7px #1c2228;
}
#priklady {
        position: fixed;
        height: 550px;
        width: 870px;
        padding: 20px;
        float: left;
        background: white;
        border: 2px solid #006797;
        box-shadow: 2px 2px 7px #1c2228;
}
section {
        overflow: auto;
}

.cistic {
        clear: both;
}

#nav1 {
        width: 65px;
}

#nav2 {
        width: 65px;
}

#nav3 {
        width: 105px;
}

#nav4 {
        width: 73px;
}

#nav5 {
        width: 75px;
}