html {
    font-size: 25px;
}

rt {
    font-size: 0.6em;
}

body, html {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

body {
    /* 背景图设置 */
    background: url('https://s.040905.xyz/d/v/1686810550994.jpg?sign=vxvbNJbxPZ-thzF6Pf7QKy4jp0p9lKb3YVGGlLRhQms=:0') no-repeat center center fixed;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    background-color: rgba(255, 255, 255, 0.85);
    border-radius: 30px;
    padding: 50px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

/* 以下为各种状态的颜色 */

.sleeping {
    color: gray;
}

.awake {
    color: rgb(16, 128, 0);
}

.error {
    color: red;
}