<h1>StudioDansyaku ベンダープレフィックス付き</h1>
h1 { font-size: 20px; padding: 10px; background: red; animation: colorchange 5 ease 0s infinite normal; -webkit-animation: colorchange 5s ease 0 infinite normal; -moz-animation: colorchange 5s ease 0 infinite normal; } @keyframes colorchange { 0% { background-color: red; color: black; } 50% { background-color: blue; color: white; } } @-webkit-keyframes colorchange { 0% { background-color: red; color: black; } 50% { background-color: blue; color: white; } } @-moz-keyframes colorchange { 0% { background-color: red; color: black; } 50% { background-color: blue; color: white; } }