* {
    box-sizing: border-box;
}

header {
    background-image: url(junkshelf.jpg);
    height: 200px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

header h1 {
    margin: 0;
    color: red;
    text-align: center;
    font-size: 6em;
    line-height: 2em;
}

footer {
    margin-top: 20px;
    border-top: 3px solid red;
    text-align: center;
    font-style: italic;
}

table {
    width: 100;
    border-collapse: collapse;
    margin: 20px 0;
    margin-left: auto;
    margin-right: auto;
    background-color:  lightblue;
    border: 2px solid black;
}

th, td{
    border: 2px dotted blue;
    padding: 10px;
    text-align: left;
}

tfoot {
    text-align: left;
    color: black;
}

body {
    background-color: yellow;
}

/* Your css goes here */