.msk-container {
            aspect-ratio: 16/9;
            max-height: 100vh;
            max-width: 100vw;
            margin: 0 auto;
        }

        .row div,
        iframe {
            aspect-ratio: 16/9;
        }

        .msk-optionsButton:hover span {
            display: inline !important;
        }

        .form-control:focus,
        .btn-close:focus {
            outline: none;
            box-shadow: none;
        }

        .btn-fullsc {
            box-sizing: content-box;
            width: 1em;
            height: 1em;
            padding: .25em .25em;
            color: #000;
            background: transparent url("data:image/svg+xml,%3csvg xmlns='https://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M5.828 10.172a.5.5 0 0 0-.707 0l-4.096 4.096V11.5a.5.5 0 0 0-1 0v3.975a.5.5 0 0 0 .5.5H4.5a.5.5 0 0 0 0-1H1.732l4.096-4.096a.5.5 0 0 0 0-.707zm4.344 0a.5.5 0 0 1 .707 0l4.096 4.096V11.5a.5.5 0 1 1 1 0v3.975a.5.5 0 0 1-.5.5H11.5a.5.5 0 0 1 0-1h2.768l-4.096-4.096a.5.5 0 0 1 0-.707zm0-4.344a.5.5 0 0 0 .707 0l4.096-4.096V4.5a.5.5 0 1 0 1 0V.525a.5.5 0 0 0-.5-.5H11.5a.5.5 0 0 0 0 1h2.768l-4.096 4.096a.5.5 0 0 0 0 .707zm-4.344 0a.5.5 0 0 1-.707 0L1.025 1.732V4.5a.5.5 0 0 1-1 0V.525a.5.5 0 0 1 .5-.5H4.5a.5.5 0 0 1 0 1H1.732l4.096 4.096a.5.5 0 0 1 0 .707z'/%3e%3c/svg%3e") center/1em auto no-repeat;
            border: 0;
            border-radius: .375rem;
            opacity: .5;
        }

        .btn-fullsc:hover {
            color: #000;
            text-decoration: none;
            opacity: .75;
        }

        .msk-authorLicense {
            font-size: .78em;
            max-width: calc(100% - 32px);
            width: 367px;
        }

        @-webkit-keyframes blinker {
            from {
                background-color: #f00;
            }

            to {
                background-color: #212529;
            }
        }

        .msk-optionsButton {
            text-decoration: blink;
            -webkit-animation-name: blinker;
            -webkit-animation-duration: 0.6s;
            -webkit-animation-iteration-count: 10;
            -webkit-animation-timing-function: ease-in-out;
            -webkit-animation-direction: alternate;
        }