@import url("https://fonts.googleapis.com/css2?family=Lato:wght@300&family=Roboto:wght@300&display=swap");

header {
    font-family: "lato", sans-serif;
    background-color: rgb(0, 0, 96);
    color: white;
    text-align: center;
    height: 80px;
    padding-top: 15px;
    overflow: hidden;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    background-color: rgb(0, 0, 96);
}

footer {
    color: #fff;
    font-size: large;
    text-align: center;
    height:50px;
}

#instruction {
    background-color: white;
    width: 600px;
    border-radius: 6px;
    margin: auto;
}

ul{
    font-family: "roboto", sans-serif;
    text-align: left;
}

#hero-image {
    background-image: url("../images/background.jpg");
    width: 100%;
    height: 600px;
    overflow: hidden;
    text-align: center;
}

/**style logo**/

h1 {
    font-family: "lato", sans-serif;
    letter-spacing: 2px;
    color: #fff;
    text-decoration: none;
}

h1:visited {
    text-decoration: none;
}
/**welcome button style**/

#welcome-btn {
    border-radius: 4px;
    padding: 10px;
    margin: auto 0;
    margin-top: 160px;
    display: inline-block;
    background-color: #70b7f6;
    color: #fff;
    border-radius: 5px;
    cursor: pointer;
}

h2 {
    text-align: center;
    font-family: "roboto", sans-serif;
    border-bottom: 3px solid black;
}

h3 {
    font-family: "roboto", sans-serif;
}

#quiz {
    background-color: azure;
    width: 60%;
    text-align: center;
    margin: auto;
    border-radius: 30px;
}

/* style for button */

.btn {
    color: black;
    background-color: rgb(87, 141, 188);
    width: 90%;
    border: 2px solid;
    text-align: left;
    border-radius: 3px;
    cursor: pointer;
    padding: 10px;
    margin: auto;
}

.btn:hover:not([disabled]) {
    color: rgb(87, 141, 188);
    background-color: black;
}

.btn:disabled {
    cursor: no-drop;
}

#next-btn {
    background-color: grey;
    color: black;
    width: 150px;
    font-weight: 500;
    border-radius: 4px;
    margin-left: 80%;
    padding: 8px;
    display: none;
}

.correct {
    background-color: whitesmoke;
}

.incorrect {
    background-color: red;
}