body {
    font-family: "Times New Roman",KaiTi,STKaiti,serif;
    font-size: 22px;
    line-height: 2em;
    border-left: 1px solid orange;
    border-right: 1px solid orange;
    border-bottom: 1px solid orange;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
.math { font-size: 1.5rem; }

code {
    /* font-family: Courier New,Ubuntu Mono; */
    font-size: 16px;
    /* border-width: 0px;
    font-weight: 600;
    background-color: transparent; */
}

/* pre {
    font-family: Consolas,Ubuntu Mono;
    font-style: italic;
    font-size: 16px;
    background-color: #FCF5ED;
    border-width: 0px;
    font-weight: bold;
} */

p {
    margin-top: 1.5em;
    margin-bottom: 1.5em;
}

table th, table td { border-top: 1px solid; padding: 6px 13px;background-color: rgb(252, 245, 237) }
table tr { border:none;background-color: rgb(252, 245, 237); }

.next {
    float:left;
    width:33%;
    text-align: center;
}

.copyright { 
    border-top: 1px dotted rgb(205, 199, 188); 
    border-bottom: 1px dotted rgb(205, 199, 188); 
    padding: 0px 15px; 
    background-color: whitesmoke; 
    color: rgb(119, 119, 119); 
}

.copyright p {
    margin-top: 0px;
    margin-bottom: 5px;
    padding: 0px;
}