.pdf-container {
    position: relative;
    overflow: hidden;
}
.pdf-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 50px;
    height: 100%;
    background: white;
    z-index: 10;
}
.pdf-container::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50px;
    height: 100%;
    background: white;
    z-index: 10;
}