body {

}

header {
    text-align: center;
}

main {
    display: flex;
    align-items: baseline;
    justify-content: space-evenly;
    padding: 10px;
}

article {
    border-style: dashed;
    text-align: center;
    width: 40%;
    padding: 10px;
}

aside {
    border-style: solid;
    width: 25%;
    padding: 5px;
    align-self: flex-start;
}

.right {
    text-align: right;
}

ul {
    list-style: none;
}

footer {
    text-align: center;
}