Начинки, соусы, топпинги
.block {
position: fixed;
bottom: 40px;
left: 45px;
opacity: 0.8;
transition: 0.2s ease;
background-image: url(https://images.satu.kz/139584069_w640_h2048_whatsapp_sq.png);
background-repeat: no-repeat;
background-position: 50% 50%;
background-size: cover;
z-index: 1000;
width: 80px;
height: 80px;
-webkit-animation: jumping 0.6s cubic-bezier(0.250, 0.460, 0.450, 0.940) infinite alternate both;
-moz-animation: jumping 0.6s cubic-bezier(0.250, 0.460, 0.450, 0.940) infinite alternate both;
animation: jumping 0.6s cubic-bezier(0.250, 0.460, 0.450, 0.940) infinite alternate both;
}
.block:hover { opacity: 1; animation-play-state: paused; }
@-moz-keyframes jumping { 0% { -moz-transform: translateY(0); transform: translateY(0); }
100% { -moz-transform: translateY(-50px); transform: translateY(-50px); } }
@-webkit-keyframes jumping { 0% { -webkit-transform: translateY(0); transform: translateY(0); }
100% { -webkit-transform: translateY(-50px); transform: translateY(-50px); } }
@keyframes jumping { 0% { -webkit-transform: translateY(0); transform: translateY(0); }
100% { -webkit-transform: translateY(-50px); transform: translateY(-50px); } }
.block:hover { opacity: 1; animation-play-state: paused; }
@-moz-keyframes jumping { 0% { -moz-transform: translateY(0); transform: translateY(0); }
100% { -moz-transform: translateY(-50px); transform: translateY(-50px); } }
@-webkit-keyframes jumping { 0% { -webkit-transform: translateY(0); transform: translateY(0); }
100% { -webkit-transform: translateY(-50px); transform: translateY(-50px); } }
@keyframes jumping { 0% { -webkit-transform: translateY(0); transform: translateY(0); }
100% { -webkit-transform: translateY(-50px); transform: translateY(-50px); } }