* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.btn-secondary,
.btn-secondary:hover,
.btn-secondary:focus {
    color: #333;
    text-shadow: none;
    background-color: #fff;
    border: .05rem solid #fff;
}

body {
    height: 100%;
    display: block;
}

IMG.displayed {
    display: block;
    margin-left: auto;
    margin-right: auto
}
/*
 * Footer
 */

.mastfoot {
    padding-top: 50px;
    font-size: larger;
    color: red;
    width: 100%;
    font: 200;
    font-family: Georgia, 'Times New Roman', Times, serif;
}
/* Full Screen Pop up */
#fullscreen-pop-up
{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}
#fullscreen-pop-up video
{
    min-width: 100%;
    max-width: 100%;
    opacity: 1;
}

#link-to-main
{
    display: none;
    background:none;
    color: black;
    font-size: 1.4rem;
    outline: none;
    border: none;
    cursor: pointer;
    border-bottom: 1px solid white;
}

/* End of Full Screen Pop up */