* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
body {background: white;}
#wrapper {
    width: 940px;
    margin: 30px auto;
}
main {
    width: 580px;
    float: left;
}
aside {
    width: 340px;
    float: right;
}
aside img {
    max-width: 340px;
}
footer {
    clear: both;
    height: 60px;
    line-height: 60px;
    display: flex;
    justify-content: center;
    border-top: 1px dotted maroon;
}
footer ul {
    display: flex;
}
footer li {
    margin: 0 10px;
    list-style-type: none;
}
form {
    max-width: 580px;
    margin-bottom: 20px;
}
fieldset {
    padding: 10px;
    border: 1px dotted #800;
}
legend {
    font-size: 1.3em;
    font-style: italic;
    padding: 0 5px 0 5px;
}
label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 1.1em;
}
input {
    margin-bottom: 10px;
    height: 30px;
    width: 100%;
}
input[type="submit"] {
    width: auto;
}
form ul {
    margin-left: 15px;
}
form li {
    list-style-type: none;
}
input[type="radio"], input[type="checkbox"] {
    height: auto;
    width: auto;
    margin-right: 4px;
}

textarea {
    width: 100%;
    height: 110px;
    margin-bottom: 10px;
}
select {
    margin-bottom: 10px;
}