* {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: Arial;
            font-size: 17px;
        }

        #video {
            position:absolute;
            right: 0;
            bottom: 0;
            min-width: 100%;
            min-height: 100%;
        }

        #videoIcerik {
            position: fixed;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            color: #f1f1f1;
            width: 100%;
            padding: 20px;
        }

        #buton {
            width: 200px;
            font-size: 18px;
            padding: 10px;
            border: none;
            background: #000;
            color: #fff;
            cursor: pointer;
        }

        #buton:hover {
            background: #ddd;
            color: black;
        }