article header {
    height: 70px;
}
@font-face {
    font-family: Roboto;
    src: url(fonty/Roboto-ExtraBold.ttf);
    font-weight: bold;
}
h1, h2, h3{
    color: #3d1f76;
    text-shadow: 3px 3px 7px #666666;
}
.centrovany {
    text-align: center;
}
.avatar{
    float: right;
    width: 400px;
    padding-left: 10px;
    filter: grayscale(0.5);
}
body {
    font-family: Roboto;
    background: url('obrazky/kapky.jpg');
    box-sizing: border-box;
    margin: 0;
    padding: 100px 0px 0px 0px;
    min-width: 1200px;
}
h2, h3 {
    font-size: 1.7em;
}
p {
font-size: 1.5em;
}
article {
    max-width: 1200px;
    margin: 0 auto;
    padding: 50px 50px 10px 50px;
}
article h1 {
    margin: 0;
    font-size: 2.3em;
    font-weight: bold;
    border-bottom: 4px solid #060000;
    width: max-content;
}
article h2, h3 {
    font-size: 2em;
}
.reference-tlacitko {
    background: #4b0b54;
    color: white;
    font-size: 0.9em;
    text-transform: uppercase;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
}
article section p {
    margin-bottom: 1.5em;
    line-height: 1.5em;
}
article h1,
article h2,
article h3,
article h4,
article h5,
article h6 {
    padding: 10px 0;
    color: #00386B;
}
body > header {
    height: 100px;
    width: 100%;
    background: #00386B;
    color: white;
    display: flex;
    justify-content: space-evenly;
    position: fixed;
    z-index: 1;
    top: 0;    
}
#logo {
    height: 40px;
    margin: auto 0 auto 20px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: url('obrazky/logo.png') no-repeat;
    background-size: 40px 40px;
}
#logo > * {
    margin: 0 0 0 50px;
}
#logo h1 {
    font-weight: normal;
    font-size: 1.5em;
    line-height: 1.2em;
    color: white;
}
#logo h1 span {
    font-weight: bold;
    text-transform: uppercase;
}
#logo small {
    text-transform: uppercase;
    font-size: 0.85em;
}
nav ul {
    margin: 0;
    list-style-type: none;
    display: flex;
    align-items: center;
    height: 100%;    
}
nav ul li {
    padding: 0 25px;
    margin: 0 5px;
    font-size: 1em;
    line-height: 4.3em;
}
nav ul a {
    color: white;
    padding: 8px 0;
    text-decoration: none;
    text-transform: uppercase;
}
nav ul a:hover, .aktivni a {
    border-bottom: 2px solid #dd9fe5;
}
.kontakt-tlacitko {
    background: #dd9fe5;
    padding: 10px 20px;
    border-radius: 20px;
}
.kontakt-tlacitko:hover,
.reference-tlacitko:hover {
    filter: brightness(115%) contrast(85%);
    border: 0;
}
html {
    background: #414042;
}
footer {
    box-sizing: border-box;
    text-align: center;
    height: 100px;
    color: white;
    background: #414042;
    padding: 50px 0 0 0;
    clip-path: polygon(0 30px, 100% 0, 100% 105%, 0 105%);
}
footer a {
    color: white;
    text-decoration: none;
}
.vlevo {
    float: left;
}
#dovednosti td {
    width: 33%;
    padding: 10px;
    vertical-align: top;
    border: 1px solid gray;
}
#dovednosti {
    border-collapse: collapse;
}