.presi_header {
    position: relative;
    background-color: black;
    height: 75vh;
    min-height: 25rem;
    width: 100%;
    overflow: hidden;
}


.presi_header video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    z-index: 0;
    -ms-transform: translateX(-50%) translateY(-50%);
    -moz-transform: translateX(-50%) translateY(-50%);
    -webkit-transform: translateX(-50%) translateY(-50%);
    transform: translateX(-50%) translateY(-50%);
}

.presi_header .container {
    position: relative;
    z-index: 2;
}

.presi_header .overlay {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    background-color: black;
    opacity: 0.5;
    z-index: 1;
}

@media (pointer: coarse) and (hover: none) {
    header {
        background: url('https://source.unsplash.com/XT5OInaElMw/1600x900') black no-repeat center center scroll;
    }
    header video {
        display: none;
    }
}


/*
.wrap {
    width: 250px;
    height: 40%;
    margin: 20px auto;
}

video {
    width: 100%;
}

video::-webkit-media-controls-enclosure {
    padding: 0px;
    height: 20px;
}

video::-webkit-media-controls-panel {
    opacity: 1 !important;
    display: -webkit-flex !important;
    margin-top: 500px;
    height: 50px;

    background-color: #34495e;
    border-radius: 0 0 10px 10px;
}

video::-webkit-media-controls-timeline {
    height: 6px;
    padding: 0px;
    border: 0px;
}

video::-webkit-media-controls-volume-slider, video::-webkit-media-controls-timeline {
    height: 12px;
    border-radius: 5px;
    min-width: 15px;
    display:none;
}

video::-webkit-media-controls-volume-slider::-webkit-media-slider-container, video::-webkit-media-controls-timeline::-webkit-media-slider-container {
    border: 0px;
    border-radius: 5px;
    background-color: #1abc9c;
    cursor: pointer;
}

::-webkit-media-slider-thumb {
    -webkit-appearance: none;
    background: red;
}

video::-webkit-media-controls-play-button {
    cursor: pointer;

}

video::-webkit-media-controls-play-button:hover {
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";
    filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=70);
    opacity: 0.7;
}

video::-webkit-media-controls-fullscreen-button {
    -webkit-appearance: none;
    background-color: transparent;
    cursor: pointer;
    background-image: url(data:image/png;base64,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);
    background-size: 16px 64px;
    background-position: center 8px;
    background-repeat: no-repeat;
}

video::-webkit-media-controls-mute-button {
    -webkit-appearance: none;
    background-color: transparent;
    cursor: pointer;
    background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAABACAYAAAATffeWAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyRpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldGEgeG1sbnM6eD0iYWRvYmU6bnM6bWV0YS8iIHg6eG1wdGs9IkFkb2JlIFhNUCBDb3JlIDUuMy1jMDExIDY2LjE0NTY2MSwgMjAxMi8wMi8wNi0xNDo1NjoyNyAgICAgICAgIj4gPHJkZjpSREYgeG1sbnM6cmRmPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5LzAyLzIyLXJkZi1zeW50YXgtbnMjIj4gPHJkZjpEZXNjcmlwdGlvbiByZGY6YWJvdXQ9IiIgeG1sbnM6eG1wPSJodHRwOi8vbnMuYWRvYmUuY29tL3hhcC8xLjAvIiB4bWxuczp4bXBNTT0iaHR0cDovL25zLmFkb2JlLmNvbS94YXAvMS4wL21tLyIgeG1sbnM6c3RSZWY9Imh0dHA6Ly9ucy5hZG9iZS5jb20veGFwLzEuMC9zVHlwZS9SZXNvdXJjZVJlZiMiIHhtcDpDcmVhdG9yVG9vbD0iQWRvYmUgUGhvdG9zaG9wIENTNiAoTWFjaW50b3NoKSIgeG1wTU06SW5zdGFuY2VJRD0ieG1wLmlpZDo2N0Q1MjA3NDc5NjYxMUUyQjQzRjk5Mjc1MTU5Qjk0NSIgeG1wTU06RG9jdW1lbnRJRD0ieG1wLmRpZDo2N0Q1MjA3NTc5NjYxMUUyQjQzRjk5Mjc1MTU5Qjk0NSI+IDx4bXBNTTpEZXJpdmVkRnJvbSBzdFJlZjppbnN0YW5jZUlEPSJ4bXAuaWlkOjY3RDUyMDcyNzk2NjExRTJCNDNGOTkyNzUxNTlCOTQ1IiBzdFJlZjpkb2N1bWVudElEPSJ4bXAuZGlkOjY3RDUyMDczNzk2NjExRTJCNDNGOTkyNzUxNTlCOTQ1Ii8+IDwvcmRmOkRlc2NyaXB0aW9uPiA8L3JkZjpSREY+IDwveDp4bXBtZXRhPiA8P3hwYWNrZXQgZW5kPSJyIj8+Gp0GRAAAATdJREFUeNpidIsuYMABwoF4BhCvB+IkXIqYcIj7APEiIBYA4jg0OREgLsJnQAgQrwJiNiifGU3eFIi7gDgPxGEBYnYg1gBiDqizQX5ixOEyCyDeC8SNQNwJxJtABuwHYksGwoAR6q3tQFwKxGlAnMtEpGYQ+A+1NROI+aDedGdiIA2sAWJWaDhcBGIVUg1ABqz4ohEXAMXQbyA+DcRaQHwHZMBxIjWDArEcmrg+AXEYEO8ExYIjUjRGQuOXEUcgghLVOahBoAQ1GWTAT2iAgMBJID4BxPOhBqIDkJwnENcDcQkQP8AWBiuAOBiIf0H5f9HkT0NdMAFfIG4D4gggfgtNPMjgDRD3wgPm////DJSAUQNGDRg1YNSAUQNGDRg1YNSA4WhAUnHraI9ltMcy2mMZDD0WgAADADYlybDQKXdAAAAAAElFTkSuQmCC);
    background-size: 16px 64px;
    background-position: center 8px;
    background-repeat: no-repeat;
}

video::-webkit-media-controls-fullscreen-button:hover {
    -webkit-appearance: none;
    background-position: center -42px;
}

video::-webkit-media-controls-mute-button:hover {
    -webkit-appearance: none;
    background-position: center -43px;
}

video::-webkit-media-controls-current-time-display, video::-webkit-media-controls-time-remaining-display {
    font-family: 'Lato', sans-serif;
    font-size: 13px;
    font-weight: normal;
}

*/
.menu_presidence{
    text-align: center;
}

.btn_biography{
    margin-right: 20px;
}

.btn_gallery{
    margin-right: 20px;
}

#biography{
    display: block;
}

.legende_president{
    margin-top: 280px;
}
.display-3{
    font-size: 2.5rem;
}