.bg_heart {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden
}

.heart {
    position: absolute;
    top: -50%;
    transform: rotate(-45deg)
}

.heart:before {
    position: absolute;
    top: -50%;
    left: 0;
    display: block;
    content: "";
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 100%;
}

.heart:after {
    position: absolute;
    top: 0;
    right: -50%;
    display: block;
    content: "";
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: 100%;
}

@keyframes love {
    0% {
        top:110%
    }
}