h1{color:red}a{text-decoration:line-through}body{background-color:#e5e5e5}#app{font-family:Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-align:center;color:#2c3e50;margin-top:60px}._btn_zkc5t_1{border:1px solid #000;padding:8px 16px}._img_14vai_1{display:block;max-width:40px}