.btn-pulse,
.btn-pulse *,
.btn-pulse:after,
.btn-pulse:before,
.btn-pulse:after,
.btn-pulse:before {
    border: 0 solid;
    box-sizing: border-box;
}

.btn-pulse:disabled {
    cursor: default;
}

.btn-pulse:-moz-focusring {
    outline: auto;
}

.btn-pulse svg {
    display: block;
    vertical-align: middle;
}

.btn-pulse [hidden] {
    display: none;
}

.btn-pulse {
    -webkit-animation: pulse 2s;
    animation: pulse 2s;
}

@-webkit-keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 #FFFFFF;
    }

    50% {
        box-shadow: 0 0 50px 15px rgb(0, 52, 83, 0.3);
    }

    100% {
        box-shadow: 0 0 0 0 #FFFFFF;
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 #FFFFFF;
    }
    
    50% {
        box-shadow: 0 0 50px 15px rgb(0, 52, 83, 0.3);
    }

    100% {
        box-shadow: 0 0 0 0 #FFFFFF;
    }
}