html, body { margin: 0; cursor: default; font-size: 14px; color: #333; background: #fff; user-select:none; } #content { display: flex; flex-direction: column; font-family: "Trebuchet MS", Helvetica, sans-serif; margin: 100px 200px; text-align: center; } #title { font-size: 24px; font-weight: bold; margin: 20px 0; } #description { font-size: 16px; } #reconnect { font-size: 16px; background: #009688; color: #fff; width: 84px; height: 32px; border-radius: 5px; line-height: 32px; margin: 20px auto 0; cursor: pointer; } #reconnect:hover { opacity: 0.8; }