html,body{
    position: relative;

    font-family: "Microsoft YaHei", sans-serif;

    width: 100%;

    padding: 0;
    margin: 0;

    background-color: #f5f5f5;

}

.container{
    width: 800px;

    margin: 0 auto;

    background-color: white;

    box-shadow: 0 0 5px 0 #ccc;
    overflow: auto;

    margin-bottom: 64px;
}

.action{
    position: fixed;
    bottom: 0;
    left: 0;

    width: 100%;
    text-align: center;

    padding: 16px 0;
    box-sizing: border-box;
}

.action button{

    padding: 8px 16px;

    background-color: white;

    border: 1px solid orangered;
    outline: none;

    color: orangered;

    border-radius: 4px;

    cursor: pointer;


    transition: color 0.3s, background-color 0.3s;
}

.action button:hover{
    color: white;
    background-color: orangered;
}