#BG_vid {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    min-width: 100%;
    min-height: 100%;
}
.content {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    /*background: rgba(0, 0, 0, 0.25);*/
    color: #f1f1f1;
    min-width: 100%;
    min-height: 100%;
    margin: 0;
    padding: 0;
    border: none;
}

iframe {
    position: fixed;
    left: 0;
    top: 20%;
    margin: 0 5%;
    border: 0;
    outline: 0;
    width: 90%;
    height: 75%;
    background: rgba(0, 0, 0, 0.75);
}
nav{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center ;
    width: 100%;
    height: 20%;
    position: fixed;
    top: 0;
    left: 0;
}
nav > a{
    text-decoration: none;
    color: #ffffff;
    margin-left: 40px;
    margin-right: 40px;
    cursor: pointer;
}
body{
    width: 100%;
    height: 100vh;
    margin: 0;
    padding: 0;
    border: none;
    font: 2vw "Arial";
}
nav > a:hover {
    border-bottom: 5px solid #0037ff;
}
.footer{
    position: fixed;
    top: 95%;
    left: 0;
    width: 100%;
    height: 5%;
    display: flex;
    justify-content: center;
    align-items: center ;
}
.footer-p{
    font-size: 14px;
    cursor: pointer;

}
.BG{
background-color: #000000;
position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;

}