html, body { font-family: "Roboto" !important; height: 100%; margin: 0; padding: 0; --mdui-color-primary-light: 103, 80, 164; --mdui-color-primary-dark: 208, 188, 255; } main { height: 100%; } .container { position: relative; height: 100vh; } #dateAppLogo { max-width: 100%; height: 300px; } #mainContainerButtonSection mdui-button { height: 50px; }