:root{--block-color:#f1f1f1;--primary-color:#1e90ff;--secondary-color:transparent}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;margin:0}.button.primary{background-color:var(--primary-color);color:#fff}.button.primary,.button.secondary{text-align:center;padding:12px;text-decoration:none;font-size:18px;line-height:25px;border-radius:4px;border:none}.button.secondary{color:#000;background-color:var(--secondary-color)}.button:hover:after{width:100%;content:" ";height:100%;background-color:#000}.button:disabled{opacity:.6}.header{background-color:var(--block-color);padding:20px 10px}.header .logo img{margin-right:15px}.header .logo h1,.header .logo img{display:inline-block;vertical-align:middle}.header .logo h1{font-size:18px;font-weight:700;text-decoration:none;color:#000}.header-right{float:right}.header .button{float:left}@media screen and (max-width:800px){.header .button{float:none;display:block;text-decoration:none}.header .button,.header .logo h1{width:100%;text-align:center}.header .logo img{display:none}.header-right{float:none}}