#fixed{
    position: fixed;
    right: 2%;
    bottom: 3%;
    z-index: 9990;
}

.top{
    width: 65px;
    height: 65px;
    background-color: #fff;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    border-radius: 50px;
    text-align: center;
    line-height: 15px;
    cursor: pointer;
}

.top i{
    font-size: 34px;
    margin-top: 5px;
    font-weight: bold;
}

.talk{
    width: 65px;
    height: 65px;
    background-color: #313131;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    margin-top: 20px;
}

.talk i{
    font-size: 34px;
    color: #fff;
}






















/* mobile */
@media screen and (max-width: 767px){
    #fixed{
        right: 5%;
        bottom: 5%;
    }

    .top{
        width: 35px;
        height: 35px;
        line-height: 20px;
        overflow: hidden;
    }

    .top i{
        font-size: 24px;
    }

    .talk{
        width: 35px;
        height: 35px;
        margin-top: 15px;
    }

    .talk i{
        font-size: 24px;
    }
}























/* tablet */
@media screen and (min-width: 768px) and (max-width: 1024px){
    #fixed{
        right: 5%;
        bottom: 5%;
    }

    .top{
        width: 35px;
        height: 35px;
        line-height: 20px;
        overflow: hidden;
    }

    .top i{
        font-size: 24px;
    }

    .talk{
        width: 35px;
        height: 35px;
        margin-top: 15px;
    }

    .talk i{
        font-size: 24px;
    }

}