* {
    font-family: Verdana;
}

body {
    margin: 0;
    display: flex;
}

aside {
    width: 20%;
    height: 610px;
}

img {
    width: 100%;
    height: 610px;
}

#container {
    width: 80%;
    display: flex;
    flex-direction: column;
}

header,
footer,
nav {
    background-color: mediumpurple;
    color: white;
    height: 50px;
    text-align: center;
    text-shadow: 4px 4px dimgray;
}

nav {
    padding-top: 10px;
}

main {
    background-color: thistle;
    height: 450px;
    overflow: auto;
}

li button {
    float: right;
    background-color: mediumpurple;
    color: white;
    height: 30px;
    border: none;
}

ul {
    margin: 40px auto;
    width: 70%;
    font-size: 25px;
    border: 2px solid mediumpurple;
    list-style-type: none;
}

li {
    padding: 10px;
}

li:nth-of-type(even) {
    background-color: #ddcadd;
}

li:hover {
    background-color: lavender;
}