.interface_startPage {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    margin: 1rem;
}

@media screen and (max-width: 999px) {
    .interface_startPage {
        margin: 0 1rem;
    }

    .startPage_hello_message h1 {
        margin: 0 5px;
    }
}

.startPage_hello_message {

}