#progress {
    position: absolute;
    overflow: hidden;
    top: 0px;
    z-index: 10000;
    width: 100%;
    height: 3px;
}

#progress img {
    position: relative;
    height: 100px;
    width: 300%;
    top: -50px;
    left: -100vw;
    opacity: 0.5;
}

h1 {
    width: 100%;
    text-align: center;
}

.example {
    overflow: hidden;
    height: 100%;
    min-width: 500px;
    margin-right: 20px;
}