frontend-hideyoshi.com/src/app/header/header-slider/header-slider.component.css

.slider {
    background-color: #2e2e2e;
    width: 50%;
    height: 90vh;
    position: fixed;
    top: 10vh;
    right: 0;
    overflow: hidden !important;
    z-index: 50 !important;
}