html{--background-color: #0b0e1c;--text-color: white;font-family:Helvetica Neue,sans-serif;background:var(--background-color);color:var(--text-color)}*{position:relative;box-sizing:border-box;margin:0;padding:0}button,input{background:var(--background-color);color:var(--text-color);border:1px solid var(--text-color);padding:8px;border-radius:4px;font:inherit;cursor:pointer}button:disabled,input:disabled{opacity:.5;cursor:not-allowed}