@import url(https://fonts.googleapis.com/css2?family=Roboto&display=swap);:root{--primary-color:#dc3545;--dark-color:#333333;--light-color:#f4f4f4;--wight-color:#ffffff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Roboto,sans-serif;font-size:1rem;line-height:1.6;background:#fff;color:#333}a{color:var(--primary-color);text-decoration:none}a:hover{color:#666}ul{list-style-type:none}input{display:block;width:100%;padding:.4rem;font-size:1.2rem;border:1px solid #ccc;outline:0;margin-bottom:.5rem}.container{max-width:1100px;margin:auto;overflow:hidden;padding:0 2rem}table th{background:var(--light-color)}.btn{display:inline-block;background:var(--light-color);color:var(--dark-color);padding:.4rem 1.3rem;font-size:1rem;border:none;cursor:pointer;margin-right:.5rem;transition:opacity .2s;outline:0}.btn:disabled{background:var(--dark-color);color:var(--wight-color);cursor:not-allowed}.btn:hover:not(:disabled){opacity:.8}.btn-block{display:block;width:100%}.btn-primary{background:var(--primary-color);color:var(--wight-color)}.text-center{text-align:center}