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

html, body {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

a {
    text-decoration: none;
    color: inherit;
}


/* header */
header {
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}


/* main */
main {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

h2 {
    width: 50%;
    min-width: 300px;
    text-align: center;
    font-size: 23px;
    padding: 20px 0;
}

#logo {
    width: 200px;
    height: fit-content;
}

#shoppingbag-title {
    width: 50%;
    min-width: 700px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 1px solid #ccc;
}

#shoppingbag-list {
    width: 50%;
    min-width: 700px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 30px;
    margin-bottom: 100px;
}

#product-container {
    width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}

#product-select input {
    width: 23px;
    height: 23px;
}

#product-image {
    width: 100px;
}

#product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

#product-select, 
#product-name, 
#product-standard, 
#product-quantity, 
#product-price {
    width: 20%;
    text-align: center;
    font-size: 20px;
    margin: 5px 0;
}

#button-container {
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
    min-width: 300px;
    height: 100px;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    background-color: whitesmoke;
}

#button-container button {
    width: 100px;
    height: 50px;
    border-radius: 10px;
    border: 1px solid #ccc;
    padding: 0 10px;
    font-size: 16px;
    background-color: #004281;
    color: #fff;
    cursor: pointer;
    margin: 0 10px;
    transition: 0.3s;
}

#button-container button:hover {
    opacity: 0.8;
}

@media (max-width: 700px) {
    #shoppingbag-title {
        width: 95%;
        min-width: 300px;
    }

    #shoppingbag-list {
        width: 95%;
        min-width: 300px;
    }

    #product-image {
        display: none;
    }
}