blink { -webkit-animation: 2s linear infinite condemned_blink_effect; // for Safari 4.0 - 8.0 animation: 2s linear infinite condemned_blink_effect; } @-webkit-keyframes condemned_blink_effect { // for Safari 4.0 - 8.0 0% { visibility: hidden; } 50% { visibility: hidden; } 100% { visibility: visible; } } @keyframes condemned_blink_effect { 0% { visibility: hidden; } 50% { visibility: hidden; } 100% { visibility: visible; } } .nav-main a { color: #000; padding: 3px; } .box { background-color: #ffff; background-image: linear-gradient(190deg, #14b16c 0%, #0001008 59%, #2ce877 75%); font-weight: bold; padding: 20px; border-radius: 10px; text-align: center; } .box h1 { font-size: 25px; color: #FFF; } .box .main-text-box { color: #ff0000; } .box-name { color: #fff; font-size: 30px; } .box-num { color: red; font-size: 25px; } .box button { border-radius: 8px; background-color: #38ef22; color: #FFF; padding: 10px; } .main-result-top { text-align: center; fon