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{ // 输入框整体重绘
    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, 0.6)
}

.button{ // 按钮整体重绘
    margin-top: 20px;
    float: left;
    background-color: white;
    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: white;
}
.button.theme:hover{
    background-color: #2c7afb;
}