:root{--blue-contato:#002c3b}#custom-rybena-div{position:fixed;z-index:9999;top:50%;margin-top:-44px;width:44px}#custom-rybena-div a{float:left;cursor:pointer;padding:3px;background-color:var(--blue-contato);transition:filter .2s}#custom-rybena-div a:hover{filter:brightness(1.65)}#custom-rybena-div img{width:38px;height:38px}