html, body {
    height: 100%;
    width: 100%;
}
/*body { 
    background: url("../img/background_1.jpg") no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}*/

a.button1{
    display: block;
    padding: 0.5em 3em;
    border:0.16em solid #FFFFFF;
    background-color: #d07400;
    margin: 0 0.3m 0.3m 0;
    box-sizing: border-box;
    text-decoration: none;
    text-transform: uppercase;
    font-family: 'Roboto', sans-serif;
    font-weight: 600;
    font-size: 28px;
    color: #FFFFFF;
    text-align: center;
    transition: all 0.15s;
    margin-bottom: 20px;
}
a.button1:hover {
    color: #000;
    border-color: #000;
}

a.button1:active{
    color: #000;
    border-color: #000;
}
@media all and (max-width:30em){
 a.button1{
        display: block;
        margin: 0.4em auto;
 }
}
.btn-menu {
    margin-bottom:20px;
    font-weight:500;
    font-size:25px;
    color: #000;
}
.content-binvi {
    background-color:transparent;
    height:100%;
    padding-bottom: 25px;
    padding-left:25%;
    padding-right:25%;
}
.video-center {
    margin-left: auto;
    margin-right: auto;
    display: block;
    margin-bottom: 15px;
}
video::-internal-media-controls-download-button {
    display:none;
}

video::-webkit-media-controls-enclosure {
    overflow:hidden;
}

video::-webkit-media-controls-panel {
    width: calc(100% + 30px); /* Adjust as needed */
}
#background {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: -100;
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
    background-size: cover;
}
#btnPlay {
    display: none;
}