#startPage-Heading { margin-top: 20px; margin-bottom: 10px; font-size: 50px; } #horizontalLine { align-self: center; width: 55em; max-width: 100%; min-height: 1px; } #textContainer { max-width: 55em; } #linkContainer { margin: 0; } #slideProgress { width: 55em; max-width: 100%; min-height: 1px; margin-top: 30px; margin-bottom: 0; } #startPage { padding: 0; display: flex; justify-content: space-between; align-items: center; width: 100%; height: 100%; } #slideShow { height: var(--paper-slide-height); width: 100%; } #startPage::before { position: absolute; } #startPage #content { width: 100%; overflow-y: auto; margin-top: 0; padding: 1em 0 0; justify-content: start; align-items: center; } footer { width: 100%; padding-bottom: 1em; background-color: white; }