@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Poppins", sans-serif;
}

body {
    background-color: #3c5077;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 15rem;

}


#btn {
    height: 50px;
    margin: 5px;
    width: 120px;
    background: #333;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    cursor: pointer;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    font-family: Consolas, Courier New, monospace;
    border: solid #404c5d 1px;
    font-size: 16px;
    color: rgb(161, 161, 161);
    -webkit-transition: 500ms;
    transition: 500ms;
    border-radius: 5px;
    background: linear-gradient(145deg, #2e2d2d, #212121);
    -webkit-box-shadow: -1px -5px 15px #41465b, 5px 5px 15px #41465b,
        inset 5px 5px 10px #212121, inset -5px -5px 10px #212121;
    box-shadow: -1px -5px 15px #41465b, 5px 5px 15px #41465b,
        inset 5px 5px 10px #212121, inset -5px -5px 10px #212121;
}

#btn:hover {
    -webkit-box-shadow: 1px 1px 13px #20232e, -1px -1px 13px #545b78;
    box-shadow: 1px 1px 13px #20232e, -1px -1px 13px #545b78;
    color: #d6d6d6;
    -webkit-transition: 500ms;
    transition: 500ms;
}

#btn:active {
    -webkit-box-shadow: 1px 1px 13px #20232e, -1px -1px 33px #545b78;
    box-shadow: 1px 1px 13px #20232e, -1px -1px 33px #545b78;
    color: #d6d6d6;
    -webkit-transition: 100ms;
    transition: 100ms;
}

.modal-box {
    position: absolute;
    top: -100%;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    background-color: white;
    height: 15rem;
    width: 18rem;
    padding: 20px;
    border-radius: 5px;
    display: none;
    opacity: 0;
    transition: all 0.5s ease;
}

.modal-box.show {
    top: 40%;
    opacity: 1;
    transform: translate(-50%, -50%);
}

.modal-box h2 {
    font-size: 1.7rem;
    margin-top: 1.5rem;
    font-weight: 500;
}

.modal-box p {
    font-size: 0.7rem;
    max-width: 15.2rem;
    margin-top: 0.7rem;
}

.modal-box i {
    color: yellowgreen;
    font-size: 4.5rem;
    margin-top: -2.8rem;
}

#ok-btn {
    background-color: yellowgreen;
    border: none;
    display: flex;
    padding: 0.4rem 7rem;
    color: white;
    font-weight: bold;
    cursor: pointer;
    margin-top: 1.5rem;
}