#fixed{
    position: fixed;
    bottom: 5%;
    right: 5%;
    z-index: 9999;
    display: none;
}

.top{
    width: 30px;
    height: 30px;
    border: 1px solid #bfbfbf;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    background-color: #fff;
}

.top img{
    width: 15px;
}