index.css

:root {
    --primaryColor: rgba(48, 167, 215, 1);
    --secondaryColor: rgba(48, 167, 215, 0.9);
    --tertiaryColor: rgba(48, 167, 215, 0.8);
    --inputBorder: 1px solid rgba(0, 0, 0, 0.3);
}

* {
    box-sizing:border-box;
    transition: all 0.2s ease-in-out;
    -moz-transition: all 0.2s ease-in-out;
    -webkit-transition: all 0.2s ease-in-out;
    font-family: "Hiragino Sans GB", "Microsoft YaHei", 宋体, sans-serif, Arial;
    font-size: 16px;
    line-height: 1.42857143;
    -webkit-tap-highlight-color: transparent;
    outline: none;
}

body {
    background: #f7f7f7;
    display: flex;
    flex-direction: column;
    padding: 0 1vw 20px 1vw;
}

h1 {
    text-align: center;
    font-size: 22px;
}

h3 {
    font-size: 18px;
    margin: 10px 0 10px 3px;
}

.panelInput, .panelTable, .panelEcharts{
    background: #fff;
    border: 0px;
    border-radius: 5px;
    box-shadow: 0 1px 4px 0 rgba(0, 0, 0, 0.2);
    padding: 10px;
    display: flex;
    flex-direction: column;
}

.panelInput:hover, .panelTable:hover, .panelEcharts:hover {
    box-shadow: 0 1px 4px 0.5px rgba(0, 0, 0, 0.4);
}

.panelInput:active, .panelTable:active, .panelEcharts:active {
    box-shadow: 0 3px 8px 1px rgba(0, 0, 0, 0.45);
}

.panelInput > * {
    margin: 5px;
}

.panelInput > span {
    display: flex;
    justify-content: space-between;
}

.panelInput > span > * {
    width: 49%;
}

.panelTable {
    overflow-x: auto;
    overflow-y: hidden;
}

input {
    border-width: 0 0 1px 0;
    border-bottom: var(--inputBorder);
}

input:focus {
    border-color: var(--primaryColor);
}

button {
    background-color: var(--primaryColor);
    border: 0;
    border-radius: 5px;
    color: #fff;
    padding: 5px;
    min-width: 32px;
}

button:hover {
    background-color: var(--secondaryColor);
    box-shadow: 0 1px 6px 0 rgba(0,0,0,.12), 0 1px 6px 0 rgba(0,0,0,.12);
}

button:active {
    background-color: var(--tertiaryColor);
    box-shadow: 0 5px 11px 0 rgba(0,0,0,.18), 0 4px 15px 0 rgba(0,0,0,.15);
}

select {
    background: url("down-arrow.png") no-repeat scroll right center transparent;
    background-size: 18px;
    background-position: calc(100% - 10px);
    border: var(--inputBorder);
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
}

select:focus {
    border-color: var(--primaryColor);
}

table {
    border-radius: 3px;
    border-collapse: collapse;
    margin: auto;
    padding:5px;
    width: 100%;
    text-align: center;
}

th {
    color: #fff;
    background: var(--tertiaryColor);
    border-right: 1px solid #f9f9f9;
    padding: 5px;
}

th:first-child {
    border-top-left-radius:5px;
}

th:last-child {
    border-top-right-radius:5px;
}

tr:nth-child(odd) {
    background: rgba(0, 0, 0, 0.05)
}

tr:hover {
    background: rgba(0, 0, 0, 0.07)
}

td:hover {
    background: rgba(0, 0, 0, 0.08)
}

tr:last-child {
    background: transparent;
}

tr:last-child:hover td{
    background: transparent;
}

.echarts {
    width: 100%;
    height: 360px;
}

body > div {
    visibility:hidden;
    animation: fade-in 2s ease-in-out forwards;
    -webkit-animation:fade-in 2s ease-in-out forwards;
}

body > div:nth-child(2) {
    animation-delay:0.2s;
}

body > div:nth-child(3) {
    animation-delay:0.4s;
}

body > div:nth-child(4) {
    animation-delay:0.6s;
}

@keyframes fade-in {  
    0% {opacity: 0;transform: translate3D(0, 100%, 0)}
    100% {opacity: 1;visibility: visible;}
}