nav.css

/* nav-bar */
nav {

    width: 100%;
    height: 5%;
    border: none;
    margin: auto;
    padding: 10px 0px;
    display: flex;
    justify-content: space-evenly;
    background-color: blue;
    margin-bottom: 10px;

}

nav>div>a {
    text-decoration: none;
    color: whitesmoke;
    font-size: 20px;

}

/* order */


#order {
    border: 0px solid black;
    height: 50%;
    width: 100%;
    margin: auto;
    background-color: #F5F5F5;
    border: 0px solid black;
    display: flex;
    margin: auto;
    padding-bottom: 20px;
}

#order>div {

    height: 100%;
    width: 100%;
    border: 0px solid red;


}

#order>div h1 {
    margin-top: 200px;

    color: orangered;
    text-align: center;
    font-style: italic;
    font-size: 45px;
}

#order>div h3 {
    text-align: center;
    font-size: 20px;
}

#order>div>button {
    margin-left: 250px;
    border-radius: 0%;
    padding-left: 20px;
    padding-right: 20px;
    padding-top: 10px;
    padding-bottom: 10px;
    background-color: rgb(64, 0, 255);
    border: none;
}

#order>div a {
    text-decoration: none;
    color: white;
    font-style: italic;
    font-size: 20px;
}

#order>div>button:hover {
    background-color: orangered;
}

#order>div>button {
    border-radius: 20px;
}

#order>div img {
    width: 200%;
}

#order>div h3 {
    text-align: center;
}




/* screenshot image  */
#image {
    background-image: url('image.png.png');
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: 100% 30%;
    width: 100%;
    margin: auto;
    height: 20%;
    border: 0px solid blue;
    background-color: #F5F5F5;

}

/* media query */
@media all and (min-width:500px) and (max-width:899px){
    #nav {
        display: grid;
        grid-template-columns: repeat(1,1fr);
    }
}

   
@media all and (min-width:120px) and (max-width:499px){
    #nav {
        display: grid;
        grid-template-columns: repeat(1,1fr);
    }
}