/* Hamarosan weblap videoval */
* {
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: Arial;
    font-size: 18px;
}
#myVideo {
    position: fixed;
    right: 0;
    bottom: 0;
    min-width: 100%; 
    min-height: 100%;
}
.content {
    position: fixed;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    color: #f1f1f1;
    width: 100%;
    padding: 20px;
}
#myBtn {
    width: 200px;
    font-size: 18px;
    padding: 10px;
    border: none;
    background: #000;
    color: #fff;
    cursor: pointer;
}
#myBtn:hover {
    background: #ddd;
    color: black;
}
/* unvisited link */
a:link {
    color: #ffffff;
}
/* visited link */
a:visited {
    color: #ffffff;
}
/* mouse over link */
a:hover {
    color: DarkBlue;
}