body{
 font-family: Georgia, 'Times New Roman', Times, serif;
 background-image: linear-gradient(to bottom, black, red);
 color: rgb(255, 255, 255);
}

#content{
    background-color: black;
    width: 800px;
    margin: auto;
    border: 10px solid gray;
    border-radius: 10px;
    padding: auto;
    box-shadow: -5px 5px 15px white;
}

header{
    text-align: center;
}

.main{
    display: flex;
    gap: 20px;
    align-items: flex-start;
    margin: 20px;
}

figure{
    margin: 0;
}

figure img{
    display: block;
}

footer, aside, section{
    border-radius: 5px;
    border:3px solid red;
    background-color: rgb(39, 39, 39);
    margin-bottom: 10px;
    padding: 10px;
}

nav{
 margin: 20px;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    border-radius: 7px;
    border: 2px solid rgb(18, 1, 80);
    background-color: rgb(20, 20, 214);
    display: flex;
}

ul li a{
    float: left;
    display: block;
    color: white;
    padding: 14px 16px;
    text-decoration: none;
    font-size: large;
    font-style: initial;

}

ul li a:hover {
    background-color: rgb(85, 85, 236);
}

#idxaside{
    border: unset;
    background-color: unset;
    margin-bottom: unset;
    padding: unset;
}

#idxfooter{
    border: unset;
    background-color: unset;
    margin-bottom: unset;
    padding: unset;
}

#footerabt{
    margin: 30px;
}

#footercrts{
    margin: 20px;
}

@media (max-width: 768px) {

    .main {
        flex-direction: column;
        margin: 10px;
    }

    aside, section {
        width: 100%;
    }

    nav ul {
        flex-direction: column;
    }

    ul li a {
        text-align: center;
        float: none;
    }


}