body {
    background-color: #3e50b6;
    justify-content: center; /* 垂直居中对齐项目 */
}

/* Set padding to keep content from hitting the edges */
.body-content {
    width: 300px;
    margin-left: auto;
    margin-right: auto;
    height: 300px; /* 设置高度来限制容器的大小 */
}



/* Set width on the form input elements since they're 100% wide by default */
input,
select,
textarea {
    max-width: 280px;
}


footer {
    text-align: center;
    width: 98%;
    position: absolute;
    bottom: 0;
    margin: 0;
    padding: 0;
}

    footer p {
        text-align: center;
        width: 100%;
        color: white;
    }