.shanab {
    position: absolute;
    color: black;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    box-shadow: 150px 240px 0 0, 300px 240px 0 0;
}

.shanab::before {
    content: "";
    position: absolute;
    width: 210px;
    height: 120px;
    border-bottom: 180px solid currentColor;
    border-radius: 0 0 0 100%;
    -webkit-border-radius: 0 0 0 100%;
    -moz-border-radius: 0 0 0 100%;
    -ms-border-radius: 0 0 0 100%;
    -o-border-radius: 0 0 0 100%;
    left: 30px;
    top: 120px;
    transform: rotate(-40deg);
    -webkit-transform: rotate(-40deg);
    -moz-transform: rotate(-40deg);
    -ms-transform: rotate(-40deg);
    -o-transform: rotate(-40deg);
    transform-origin: right 210px;
    animation: dancLeft 1s ease-in-out infinite;
    -webkit-animation: dancLeft 1s ease-in-out infinite;
}

.shanab::after {
    content: "";
    position: absolute;
    width: 210px;
    height: 120px;
    border-bottom: 180px solid currentColor;
    border-radius: 0 0 100% 0;
    -webkit-border-radius: 0 0 100% 0;
    -moz-border-radius: 0 0 100% 0;
    -ms-border-radius: 0 0 100% 0;
    -o-border-radius: 0 0 100% 0;
    left: 390px;
    top: 120px;
    transform: rotate(40deg);
    -webkit-transform: rotate(40deg);
    -moz-transform: rotate(40deg);
    -ms-transform: rotate(40deg);
    -o-transform: rotate(40deg);
    transform-origin: left 210px;
    animation: dancRight 1s ease-in-out infinite;
    -webkit-animation: dancRight 1s ease-in-out infinite;
}

@keyframes dancLeft {
    0% {
        transform: rotate(-50deg);
        -webkit-transform: rotate(-50deg);
        -moz-transform: rotate(-50deg);
        -ms-transform: rotate(-50deg);
        -o-transform: rotate(-50deg);
    }
    50% {
        transform: rotate(-30deg);
        -webkit-transform: rotate(-30deg);
        -moz-transform: rotate(-30deg);
        -ms-transform: rotate(-30deg);
        -o-transform: rotate(-30deg);
    }
    100% {
        transform: rotate(-50deg);
        -webkit-transform: rotate(-50deg);
        -moz-transform: rotate(-50deg);
        -ms-transform: rotate(-50deg);
        -o-transform: rotate(-50deg);
    }
}

@keyframes dancRight {
    0% {
        transform: rotate(50deg);
        -webkit-transform: rotate(50deg);
        -moz-transform: rotate(50deg);
        -ms-transform: rotate(50deg);
        -o-transform: rotate(50deg);
    }
    50% {
        transform: rotate(30deg);
        -webkit-transform: rotate(30deg);
        -moz-transform: rotate(30deg);
        -ms-transform: rotate(30deg);
        -o-transform: rotate(30deg);
    }
    100% {
        transform: rotate(50deg);
        -webkit-transform: rotate(50deg);
        -moz-transform: rotate(50deg);
        -ms-transform: rotate(50deg);
        -o-transform: rotate(50deg);
    }
}