* {
    margin: 0; padding: 0; border: 0; box-sizing: border-box; /* reset rule */
}

img, video, figure {
    max-width: 100%; /* a good default setting like the reset rule */
}

:root {
    font-size: 62.5% /* makes standard rem = px */
}

/* build for mobile up */

    body {
        height: 200vh;
        max-width: 1800px; 
        background-image: linear-gradient(pink, #c77dff, #70d6ff);
    }

    #alert {
        width: 95%;
        border: 2px solid red;
        font-size: small;
        margin: 10px auto;
        background-color: antiquewhite;
    }

        .alert {
            color: red;
            text-align: center;
            font-size: 2vh;
        }

    

    #container {
        width: 95vw;
        height: 95%;
        margin: 2vh auto;
        /* border: 2px solid orange; */
    }  

        #top {
            height: 20vh;
            margin-bottom: 10px;
            font-size: 4rem;
            line-height: 15vh;
        }

            .logo {
                height: 13vh; aspect-ratio: 4/4;
                float: left;
                padding: 1vh 0 1vh 1vw;
                position: absolute;
            }

            #title {
                border: 2px solid purple;
                width: 100%;
                height: 65%;
                background-image: radial-gradient(Blue, lightblue);
                
            }

            h2 {
                height: 100%;
            }

                #store_name {
                    max-height: 100%;
                    text-align: center;
                    font-family: 'Rochester', cursive;
                    font-size: 6vh;
                    color: #034403;
                    line-height: 5vh;
                    padding-top: 1vh;
                }
                
                    #slogan {
                        max-height: 100%;
                        max-width: 50%;
                        margin-top: 4vh;
                        margin-left: 45%;
                        text-align: center;
                        font-size: 3vh;
                        color: #034403;
                        line-height: 1vh;
                        padding-right: 5vw;
                    }

            ul {
                display: flex;
                list-style-type: none; 
                justify-content: space-evenly;
            }

                #main-nav > li {
                    display: block;
                    border: 2px solid purple;
                    width: 22%; height: 20%;
                    text-align: center;
                    line-height: 5vh;
                    font-size: 3vh;
                    background-image: radial-gradient(#c77dff, #70d6ff, #034403);
                    margin: 1vh auto 1vh auto;
                    border-radius: 20px;
                }

                    #main-nav a {
                        display: block;
                        width: 100%; height: 100%;
                        text-decoration: none;
                        color: purple;
                        font-weight: bold; 
                    }
 
    .middle {
        height: 165vh;
        /* border: 2px solid red; */
        display: flex; 
    }

        #sidebar_nav {
            height: 65vh;
            width: 20vw;
            font-size: 2rem;
            border: 5px solid hotpink;
            background-color:#83C5BE;
            margin-top: 5vh;   
        }

            #sidebar_nav ul {
                display: block;
                height: 165vh;
                width: 95%;
                font-size: 2rem;
                margin: auto;
                justify-content: space-between;
            }

               #sidebar_nav a {
                margin-top: 5%;
                display: block;
                text-decoration: none;
                padding: 2%;
                border: 2px solid purple;  
                background-color: #c77dff;
                color: white;
            }
            
                    #sidebar_nav a:hover {
                        background-color: darkorchid;
                    }

        .sub_shop_nav {
            
            display: flex;
            width: 100%;
            height: 60%;
            margin-top: 2vh;
            margin-left: 2vw;
            text-align: center;
        }

            section {
               
                margin: 5px auto;
                width: 90%;
                min-height: 12vh;
                text-align: center;
               
            }

                #sub_shop_nav {
                    display: flex;
                    flex-flow: row wrap;
                    justify-content: space-between;
                }
            
                    #sub_shop_nav li {
                        display: flex;
                        
                        width: 30%;
                        aspect-ratio: 4/4;
                        margin-top: 3vh;
                        
                    }

                        #sub_shop_nav li a {
                            border: 2px solid #31572c;
                            width: 100%;
                            font-size: 5vh;
                            text-decoration: none;
                            padding: 40% 0 30% 0;
                            font-family: 'Courier New', Courier, monospace;
                            background-image: radial-gradient(rgb(219, 117, 134), rgb(204, 105, 204), pink);
                            font-weight: bold;
                            color: #218380;
                        }