JSFiddle - React, Tailwind, and code Playground

by kougiland

HTML

<div class="pulse"></div>

CSS

.pulse {
    position:absolute;
    top:50%;
    left:50%;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 4px solid #59c1e4;
    -webkit-animation: pulse 5s ease-in-out infinite
}

@-webkit-keyframes pulse {
    0% {
        -webkit-transform: scale(0.1);
        opacity: 0
    }

    1% {
        -webkit-transform: scale(0.1);
        opacity: .7
    }

    50% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }

    100% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }
}

@-moz-keyframes pulse {
    0% {
        -webkit-transform: scale(0.1);
        opacity: 0
    }

    1% {
        -webkit-transform: scale(0.1);
        opacity: .7
    }

    50% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }

    100% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }
}

@-o-keyframes pulse {
    0% {
        -webkit-transform: scale(0.1);
        opacity: 0
    }

    1% {
        -webkit-transform: scale(0.1);
        opacity: .7
    }

    50% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }

    100% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }
}

@keyframes pulse {
    0% {
        -webkit-transform: scale(0.1);
        opacity: 0
    }

    1% {
        -webkit-transform: scale(0.1);
        opacity: .7
    }

    50% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }

    100% {
        -webkit-transform: scale(1.5);
        opacity: 0
    }
}