#goToTop {
    bottom: 30px;
    position: fixed;
    right: 40px;
    z-index: 1000;
}
#goToTop a{
    display: inline-block;
    height: 50px;
    width: 50px;
    position: relative;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -ms-transition: all 0.6s;
    -o-transition: all 0.6s;
    transition: all 0.6s;
    top: 0;
}

#goToTop a .gotop_bg{
    display: inline-block;
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(29, 169, 29, 0.4);
    border-radius: 25px;
    -webkit-border-radius: 25px;
    -moz-border-radius: 25px;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -ms-transition: all 0.6s;
    -o-transition: all 0.6s;
    transition: all 0.6s;
}
#goToTop a:hover .gotop_bg{
    background: rgba(20, 101, 22, 1);
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -ms-transition: all 0.6s;
    -o-transition: all 0.6s;
    transition: all 0.6s;
}
#goToTop a .gotop_txt{
    position: absolute;
    color: #fff;
    left: 13px;
    top: 26px;
    font-size: 12px;
}
#goToTop a i{
    position: absolute;
    color: #fff;
    font-size: 35px;
    font-weight: 300;
    left: 7px;
    top: 7px;
}
/* hack IE8*/
@media \0screen {
    #goToTop a .gotop_bg{
        background: #5F5F5F;
    }
    #goToTop a:hover .gotop_bg{
       background: #2C2C2C;
    }
}