/*去除浏览器部分默认样式*/

html, body, div, span, applet, object, iframe, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, hgroup,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

/*粘性页脚，让Main吃满剩余页面*/

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    flex: 1;
}

main {
    display: flex;
    flex: 1;
}

/*有关header里元素的css*/

header {
    background-color: #272727;
    width: 100%;
    color: aqua;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
}

/*导航栏css*/
#mainNav {
    width: 100%;
    height: 2rem;
    background-color: antiquewhite;
    border-bottom: #000 solid;
    border-width: 0.05rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

#mainNav a {
    width: 25%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: black;
    text-decoration: none;
}

#mainNav a:hover {
    background-color: #fac37b;
    transition: 0.2s;
}

/*有关main里元素的css*/
#mainArea {
    flex: 1;
}

#searchNav {
    background-color: antiquewhite;
    width: 100%;
    height: 3rem;
    user-select: none;
}

#listAll {
    max-width: 15%;
    min-width: 33%;
    height: 100%;
    background-color: bisque;
    border: #000;
    border-right: #000 solid;
    border-width: 0.1rem;
}

#listAll:hover {
    background-color: #fac37b;
    transition: 0.2s;
}

input {
    width: 40%;
}

#searchButton {
    float: right;
    max-width: 10%;
    min-width: 20%;
    height: 100%;
    background-color: aqua;
    border: #000;
    border-right: #000 solid;
    border-width: 0.1rem;
}

table {
    width: 100%;
    display: none;
}

table tr > :nth-child(1) {
    width: 50%;
}

table tr > :nth-child(2) {
    width: 50%;
    text-align: center;
}

table tr td > :first-child {
    color: blueviolet;
    text-decoration: none;
}

table th {
    height: 2rem;
    background-color: aquamarine;
}

td {
    height: 2rem;
    vertical-align: middle;
    background-color: #ffefd5;
    text-align: center;
}

/*有关footer里元素的css*/
footer {
    background-color: #232323;
    width: 100%;
    height: 2rem;
    color: plum;
    text-align: center;
}