@import url('https://fonts.googleapis.com/css2?family=Lato&display=swap');

:root {
    --primary-color: #0A0A23;
    --secondary-color: #1B1B32;
    --third-color: #fafbfc;
}

body {
    font-family: 'Lato',
        sans-serif;
    margin: auto;
    background-color: var(--secondary-color);
    color: var(--third-color);
}

/**common to every html**/


.navigation {
    margin: auto;
    text-align: left;
    background-color: var(--primary-color);
    padding: 3rem 2rem;

}

.navigation a {

    color: var(--third-color);



    text-decoration: none;
    margin: 0.5rem;



}

.link {

    text-decoration: none;
    padding: 0.5rem 1rem;


}

.list-item-inline {
    display: inline;
    padding: 1rem;
}

.list-non-bullet {
    list-style: none;
}

p {
    max-width: 10000px;
    border-color: white;
    background-color: var(--primary-color);
    padding: 1rem;
    font-size: large;
    text-align: center;
    color: white;
}

.container {
    margin: auto;
    background-color: var(--secondary-color);
    color: var(--third-color);
    padding: 0.5rem 1rem;

}

input,
label {

    display: block;
    text-align: center;

}

input {
    margin: 0.5rem auto;
    padding: 0.5rem 0.5rem;
}

#submit-button {
    display: block;
    padding: 0.5rem 0.5rem;
    border-radius: 0.5rem;
    background-color: var(--primary-color);
    color: var(--third-color);
    margin: 1rem auto;
    border-color: var(--third-color);
}

/** calculate area css **/

#submit-btn {
    display: block;
    padding: 0.5rem 0.5rem;
    border-radius: 0.5rem;
    background-color: var(--primary-color);
    color: var(--third-color);
    margin: 1rem auto;
    border-color: var(--third-color);
}

/** quiz 
.question-container {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    color: var(--third-color);
}

/** footer**/
.list-non-bullet {
    list-style: none;
}

.list-item-inline {
    display: inline;
    padding: 0rem 1rem;
}
.link-active{
    font-weight: bold;
}


.footer {
    background-color: var(--secondary-color);
    padding: 2rem 1rem;
    text-align: center;
    color: white;

}

.footer .link {
    color: white;
}

.footer ul {
    padding-inline-start: 0px;
}

.footer .footer-header {
    font-weight: bold;
    font-size: large;
}