.notice{
    height: 100vh;
    width: 100%;
    background-color: rgb(7, 34, 34);
    display: flex;
    justify-content: center;
    align-items: center;
}
.notice .board{

    height: 60%;
    width: 70%;
    background-color: rgb(253, 253, 253);
    border: 5px solid green;
}