:root {
    --textColorMain: rgb(121, 9, 9);
    --background-main: aqua;
    --background-second: rgb(7, 168, 218);
    --background-thrid: rgb(15, 150, 200);
    --background-sign-in: blanchedalmond;
    --background-header: rgb(19, 110, 106);
    --border-nav-bar: 2px solid black;
    --border-nav-bar-dashed: 2px dashed black;
    --box-shadow: 5px 5px 3px 3px rgba(0,0,0,5);
    --img-shadow: 2px 2px 1px 1px rgba(0,0,0,3);
}
body {
    background-color:var(--background-main);
}
div.parent {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 10px;
    background-color: var(--background-header);
}
header div.parent ul {
    list-style-type: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
header div.parent ul li {
    color: var(--textColorMain);
    padding: 5px;
    border-right: var(--border-nav-bar);
    border-left: var(--border-nav-bar);
}
header div.parent ul li:first-child {
    border-left: none;
}
header div.parent ul li:last-child {
    border-right: none;
}
header div.parent ul li a {
    text-decoration: none;

}
div.signIn, div.navBar, div.logo {
    margin: 5px;
}
div.signIn {
    height: 150px;
    max-height: 100%;
    font-size: small;
    background-color: var(--background-sign-in);
    width: 150px; /* delete this line after sign in has been created */
}
div.signIn form {
    text-align: center;

}
div.signIn button {
    margin-left: 25px;
    margin-right: 25px;
}
div.navBar {
    width: 35%;
    height: 100px;
    max-height: 100%;
    font-size: medium;
    margin-left: 20px;
    margin-right: 20px;
}
div.logo {
    flex-grow: 1;
}
div.logo img {
    width: 100%;
    height: 100px;
    max-height: 100%;
}
div.main, div.aside {
    text-align: center;
    margin: auto;
}
div.main {
    height: 95%;
    background-color: var(--background-second);
    border-radius: 15px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    width: 90%;
}
div.main h1 {
    width: 90%;
    text-align: center;
}
div.main article {
    border: var(--border-nav-bar);
    width: 300px;
    text-align: center;
    margin: 5% auto;
    padding: 0px;
    box-shadow: var(--box-shadow);
}
div.main img {
    margin-top: 10px;
    width: 250px;
    max-width: 100%;
    box-shadow: var(--img-shadow)
}
div.main h2 {
    font-size: large;
}
div.main p {
    color: var(--textColorMain);
    padding: 5px;
}
div.aside {
    background-color: var(--background-thrid);
    border-radius: 5px;
    width: 65%;
    height: 15%;
    margin-top: 50px;
}
div.aside img{
    width: 85%;
    height: 250px;
    box-shadow: var(--img-shadow);
}
@media only screen and (max-width: 600px) {
    header div.parent ul li {
        padding: none;
        margin: none;
        border: none;
    }
    div.logo img{
        height: 100px;
    }
    div.main img{
        width: 100px;
    }
    div.main h2{
        font-size: small;
    }
    div.aside img{
        height: 100px;
    }
}
@media only screen and (min-width: 601px) and (max-width:988px) {
    div.navBar li {
        gap: 10px;
    }
    header div.parent ul li,
    header div.parent ul li:first-child,
    header div.parent ul li:last-child {
        border-left: var(--border-nav-bar-dashed);
        border-right: var(--border-nav-bar-dashed);
    }
    div.logo img{
        height: 150px;
    }
    div.main img{
        width: 150px;
    }
    div.main h2{
        font-size: medium;
    }
    div.aside img{
        height: 150px;
    }
}