*{margin:0;padding:0}.calendar-wrap{background:#eee;color:#333;width:500px}h1{font-size:30px;line-height:100px;text-align:center}.calendar{padding:20px;table-layout:fixed;width:100%}td,th{background-color:#fff;padding:10px;text-align:center}td{font-weight:700}.holiday{color:red}