body
{
    font-family: -apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
.pull-left
{
    float: left;
}
.text-center
{
    text-align: center;
}
a
{
    color: #333;
    text-decoration: none;
}
.hide
{
    display: none;
}
.show
{
    display: block;
}
input
{
    height: 24px;
    padding: 3px 6px;
    background-color: #fff;
    background-image: none;
    border: 1px solid #ccc;
    box-sizing: border-box;
    border-radius: 4px;
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075);
    transition: border-color ease-in-out .15s,box-shadow ease-in-out .15s;
    display: block;
    font-size: 14px;
    line-height: 1.42857143;
    color: #555;
}
input:focus
{
    border-color: #66afe9;
    outline: 0;
    box-shadow: 0 0 8px rgba(102,175,233,.6);
}
.button
{
    margin-top: 20px;
    float: left;
    background-color: #fff;
    padding: 6px 12px;
    color: #333;
    border-radius: 4px;
    cursor: pointer;
}
.button+.button
{
    margin-left: 20px;
}
.button:active
{
    box-shadow: inset 0 3px 5px rgba(0,0,0,.125);
}
.button.theme
{
    background-color: #4285f4;
    border-color: #2a75f3;
    color: #fff;
}
.button.theme:hover
{
    background-color: #2c7afb;
}