.btn-flotante{font-size:16px;text-transform:uppercase;font-weight:bold;color:#000000;border-radius:50%;height:110px;width:110px;border-style:solid;border-color:#000000;letter-spacing:2px;background-color:#BF4040;padding:18px 30px;position:fixed;bottom:40px;right:40px;transition:all 300ms ease 0ms;box-shadow:0px 0px 0px rgba(0,0,0,0.1);z-index:99;background-image:url('https://entretodos.pl/wp-content/uploads/2022/12/kalendarz.png');background-repeat:no-repeat;background-size:100px 100px;background-position:center}