.container{
    display: grid;
    place-items: center;
    /* padding: 10px 20px; */
    background-color: antiquewhite;
    margin: 0;
    padding: 0;
   
    background-size: cover;
}

h1.content{
    font-size: 40px;
    color:white;
}

form.test{
    font-size: 25px;
    color: white;
}

.button{
    display: grid;
    place-items: center;
}

.register-button {
    background-color: aliceblue;
    font-size: 30px;
    color: aquamarine;
    transition: background-color 0.3s, font-size 0.3s, color 0.3s; /* 添加过渡效果 */
}

.register-button:hover{
    background-color: aquamarine;
    font-size: 40px;
    color: blue;
}

.footer {
    text-align: center;
    padding: 20px;
    /* background-color: #545454; */
    color: white;
}