.activation-screen {

    padding: 20px;

    text-align: center;

}


.activation-screen h2 {

    margin-top: 15px;

}


.activation-screen input {

    width: 80%;

    padding: 10px;

    margin-top: 15px;

    border-radius: 8px;

    border: 1px solid gray;

}


#start-button {

    margin-top: 35px;

    padding: 12px 25px;

    border: none;

    border-radius: 10px;

    background-color: #1976d2;

    color: white;

    font-size: 16px;

    cursor: pointer;

}
.clients-screen {

    display: none;

    text-align: center;

    margin-top: 30px;

}