.message_box {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 20px;
    font-weight: 600px;
    width: 300px;
    height: 60px;
    background-color: rgb(50, 50, 50);
    color: rgb(255, 255, 255);
    border: 2px solid rgb(0, 0, 0);
    border-radius: 15px;
}

.message_box::content {
    position: absolute;
    margin-top: 100%;
}