html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat';
}

header {
    position: fixed;
    top: 0px;
    width: 100%;
    height: 10%;
    z-index: 1;
    margin: 0;
    text-align: center;
}

header p {
    font-weight: bold;
    font-size: 28px;
    color: white;
    text-decoration: none;
    position: relative;
    top: 20%;
}

button.btn-refill {
    display: none;
}

.alert-informasi {
    margin-top: 8%;
}

div.test {
    display: none;
}


/* tablet screen */

@media (max-width: 992px) {
    .heading {
        font-size: 18px;
        top: 30%;
    }
    .alert-informasi {
        margin-top: 20%;
    }
    .alert-data,
    .alert-hasil {
        margin-top: 5%;
    }
}


/* phone screen */

@media (max-width: 480px) {
    .heading {
        font-size: 16px;
        top: 30%;
    }
    .alert-informasi {
        margin-top: 20%;
    }
    .alert-data,
    .alert-hasil {
        margin-top: 5%;
    }
    header {
        height: 8%;
    }
}