.circle-loader { 
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-left-color: #28a745;
    animation: loader-spin 1.2s infinite linear;
    position: relative;
    display: inline-block;
    vertical-align: top;
    border-radius: 50%;
    width: 3em;
    height: 3em;
}

.load-complete {
    -webkit-animation: none;
    animation: none;
    border-color: #5cb85c;
    transition: border 500ms ease-out;
}

.checkmark.draw:after {
    animation-duration: 800ms;
    animation-timing-function: ease;
    animation-name: checkmark;
    transform: scaleX(-1) rotate(135deg);
}

.checkmark:after {
    opacity: 1;
    height: 1.8em;
    width: 1.0em;
    transform-origin: left top;
    border-right: 3px solid #28a745;
    border-top: 3px solid #28a745;
    content: '';
    left: 0.5em;
    top: 1.5em;
    position: absolute;
}

@keyframes loader-spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

@keyframes checkmark {
    0% {
        height: 0;
        width: 0;
        opacity: 1;
    }

    20% {
        height: 0em;
        width: 1em;
        opacity: 1;
    }

    40% {
        height: 1.8em;
        width: 1em;
        opacity: 1;
    }

    100% {
        height: 1.8em;
        width: 1em;
        opacity: 1;
    }
}