写一个特效：鼠标经过文字时，文字旋转360度

* {        margin: 0;        padding: 0;      }      body {        box-sizing: border-box;        align-items: center;        justify-content: center;      }      a {        display: block;        width: 80px;        height: 80px;        border: 1px solid #eeddee;        margin: 50px auto;        color: #333;        text-decoration: none;      }      a:hover {        animation: fly01 1s infinite;      }      @keyframes fly01 {        from {          transform: rotate(0deg);        }        to {          transform: rotate(360deg);        }      }