* {
    margin: 0;
    padding: 0;
    border: 0;
    outline: none;
    list-style: none;
    box-sizing: border-box;
}

body, html {
    margin: 0;
    padding: 0;
    width: 1920px;
    height: 1080px;
    overflow: hidden;
}


.fullscreen-bg {
    width: 1920px;
    height: 1080px;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

#progress-bar {
    width: 0%;
    height: 5px;
    background-color: #ff0000;
    position: absolute;
    top: 0;
}

#slider {
    width: 100%;
    height: 100%;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}