#zyxbtn-desktop,
#zyxbtn-mobile{
    display: none;
}

.zyxbtn-button{
    position: fixed;
    z-index: 99999;
    border-radius: 5px;
    transition: width 2s;
    overflow: hidden;
}

.zyxbtn-button:hover{

}

.zyxbtn-button a{
}

.zyxbtn-button span{
    font-size: 12px;
    line-height: 20px;
    vertical-align: middle;
    padding: 1px 15px 1px 15px;
    border-radius: 0 15px 15px 0;
    font-weight: 600;
    position: relative;
    z-index: 600;
    letter-spacing: 1px;
    transition: opacity 2s;
}

.zyxbtn-button img{
    display: inline-block;
    margin:0;
    border:none;
    vertical-align: middle;
    position: relative;
    z-index: 800;
}

/* Medium devices (mobiles and tablets, up to 991px ) */
@media only screen and (max-width: 991px) {
    #zyxbtn-desktop{
        display: none;
    }

    #zyxbtn-mobile{
        display: block;
        bottom: 20px;
        right: 20px;
        width: auto;
        padding-right: 10px;
    }

    #zyxbtn-mobile.zyxbtn-button span{
        /*margin-left: 10px;*/
        opacity: 1;
        /*min-height: 30px;*/
    }

} 

/* Large devices (laptops/desktops, 992px and up) */
@media only screen and (min-width: 992px) {
    #zyxbtn-mobile{
        display: none;
    }

    #zyxbtn-desktop.zyxbtn-button{
        display: block;
        bottom: 50px;
        right: 30px;
    }

    #zyxbtn-desktop.zyxbtn-button span{
        display: inline-block;
    }

    #zyxbtn-desktop:hover span{    
       display: inline-block;
       opacity: 1;
    }

    #zyxbtn-desktop span{
        display: none;
        margin-left: -15px;
        opacity: 0;
    }
}