.pulser {
    background-color: $primary-color;
    border-radius: 50%;
    position: relative;
    &::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background-color: $primary-color;
        border-radius: 50%;
        z-index: 0;
        animation: pulse 1000ms cubic-bezier(0.9, 0.7, 0.5, 0.9) infinite;
    }
}
@keyframes pulse {
    0% {
        opacity: 0;
    }

    50% {
        transform: scale(1.3);
        opacity: 0.3;
    }
}