.circle-loader {
    margin: 0 0 30px 10px;
    border: 2px solid rgba(0, 0, 0, 0.2);
    border-left-color: #5cb85c;
    animation-name: loader-spin;
    animation-duration: 1s;
    animation-iteration-count: infinite;
    animation-timing-function: linear;
    position: relative;
    display: inline-block;
    vertical-align: top;
}

    .circle-loader,
    .circle-loader:after {
        border-radius: 50%;
        width: 8em;
        height: 8em;
    }

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

.checkmark {
    display: none;
}

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

    .checkmark:after {
        opacity: 1;
        height: 4em;
        width: 2em;
        transform-origin: left top;
        border-right: 2px solid #5cb85c;
        border-top: 2px solid #5cb85c;
        content: '';
        left: 2em;
        top: 4em;
        position: absolute;
    }

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

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

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

    20% {
        height: 0;
        width: 2em;
        opacity: 1;
    }

    40% {
        height: 4em;
        width: 2em;
        opacity: 1;
    }

    100% {
        height: 4em;
        width: 2em;
        opacity: 1;
    }
}