#terminal-container { width: 1200px; height: 800px; margin: 0 auto; padding: 2px; } /*the app was having trouble setting the following css classes, so i added a host and /deep/ call to ensure they get set*/ :host /deep/ .terminal { background-color: black; color: #fafafa; padding: 2px; } :host /deep/ .terminal:focus .terminal-cursor { background-color: #fafafa; } :host /deep/ .xterm-helpers { display: none; }