.title {
    text-align: center;
}

.three-col {
    display: grid;
    grid-template-columns: 15% 70% 15%;
        
}

.header {
    list-style-type: none;
    display: flex;
    padding: 5px 10px;
    vertical-align: baseline;
    justify-content: center;
    letter-spacing: 5px
}

.header-text {
    margin-top: 40px;
    text-decoration: overline underline;
    color: black;
    font-family: Cambria, Cochin, Georgia, Times, 
}

.header-img {
    list-style-type: none;
    display: inline-block;
    padding: 1px 10px;
}

div.lines {
    line-height: 1.6;
}

.main {
    text-align: center;
    margin: 10px;
    padding: 10px;
}

h1, h2, h3 {
    font-family: Cambria, Cochin, Georgia, Times, 
}

p {
    font-family: Verdana, Geneva, Tahoma, sans-serif
}

.left-col {
    text-align: center;
}

.r_sword-flip {
    transform: scaleX(-1);
}

.footer {
    display: flex;
    justify-content: center
}

.footer-ul {
    list-style-type: none;
    text-align: center;
}

.black-link {
    color: black;
    text-decoration: none
}

table, th, td {
    border: 1px solid black;
    border-collapse: collapse;
    
}

.books {
    margin-left: auto;
    margin-right: auto;
    width: 100%;
}

th, td {
    padding: 15px;
}

tr:nth-child(even) {
  background-color: lightsteelblue;
}