#forsidBtt{
    --fsd-btt-size:44px;
    --fsd-btt-bg:#1a1a18;
    --fsd-btt-ic:#ffffff;
    --fsd-btt-br:50%;
    --fsd-btt-mx:20px;
    --fsd-btt-my:20px;
    --fsd-btt-z:9997;
    --fsd-btt-op:0.9;
    --fsd-btt-hscale:1.1;
    --fsd-btt-border:none;
    position:fixed;
    bottom:var(--fsd-btt-my);
    z-index:var(--fsd-btt-z);
    width:var(--fsd-btt-size);
    height:var(--fsd-btt-size);
    background:var(--fsd-btt-bg);
    border:var(--fsd-btt-border);
    border-radius:var(--fsd-btt-br);
    display:flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
    text-decoration:none;
    opacity:0;
    visibility:hidden;
    transform:none;
    transition:opacity .3s,visibility .3s,transform .3s;
    box-shadow:0 2px 12px rgba(0,0,0,.15);
}
#forsidBtt.fsd-btt-right{right:var(--fsd-btt-mx);left:auto}
#forsidBtt.fsd-btt-left{left:var(--fsd-btt-mx);right:auto}
#forsidBtt.fsd-anim-slide{transform:translateY(20px)}
#forsidBtt.fsd-anim-scale{transform:scale(0.5)}
#forsidBtt.fsd-visible{opacity:var(--fsd-btt-op);visibility:visible;transform:none}
#forsidBtt:hover{opacity:1;transform:scale(var(--fsd-btt-hscale));box-shadow:0 4px 20px rgba(0,0,0,.22)}
#forsidBtt i{font-size:calc(var(--fsd-btt-size) * 0.45);color:var(--fsd-btt-ic);line-height:1}
#forsidBtt.fsd-hide-desktop{}
#forsidBtt.fsd-hide-mobile{}
@media(min-width:769px){#forsidBtt.fsd-hide-desktop{display:none!important}}
@media(max-width:768px){#forsidBtt.fsd-hide-mobile{display:none!important}}