.pace {
    -webkit-pointer-events: none;
    -moz-user-select: none;
    -webkit-user-select: none;
    -ms-user-select: none;
    user-select: none;
    pointer-events: none;
}

    .pace .pace-activity {
        position: fixed;
        top: 0;
        right: 0;
        z-index: 2000;
        display: block;
        width: 300px;
        height: 300px;
        background: #800080;
        -webkit-transition: -webkit-transform 0.3s;
        -moz-transition: transform 0.3s;
        -o-transition: transform 0.3s;
        transition: transform 0.3s;
        -webkit-transform: translateX(100%) translateY(-100%) rotate(45deg);
        -moz-transform: translateX(100%) translateY(-100%) rotate(45deg);
        -ms-transform: translateX(100%) translateY(-100%) rotate(45deg);
        -o-transform: translateX(100%) translateY(-100%) rotate(45deg);
        transform: translateX(100%) translateY(-100%) rotate(45deg);
        pointer-events: none;
    }

    .pace.pace-active .pace-activity {
        -webkit-transform: translateX(50%) translateY(-50%) rotate(45deg);
        -moz-transform: translateX(50%) translateY(-50%) rotate(45deg);
        -ms-transform: translateX(50%) translateY(-50%) rotate(45deg);
        -o-transform: translateX(50%) translateY(-50%) rotate(45deg);
        transform: translateX(50%) translateY(-50%) rotate(45deg);
    }

    .pace .pace-activity::before,
    .pace .pace-activity::after {
        position: absolute;
        bottom: 30px;
        left: 50%;
        display: block;
        border: 5px solid #fff;
        border-radius: 50%;
        content: '';
    }

    .pace .pace-activity::before {
        margin-left: -40px;
        width: 80px;
        height: 80px;
        border-right-color: rgba(0, 0, 0, .2);
        border-left-color: rgba(0, 0, 0, .2);
        -webkit-animation: pace-rotation 3s linear infinite;
        -moz-animation: pace-rotation 3s linear infinite;
        -o-animation: pace-rotation 3s linear infinite;
        animation: pace-rotation 3s linear infinite;
    }

    .pace .pace-activity::after {
        bottom: 50px;
        margin-left: -20px;
        width: 40px;
        height: 40px;
        border-top-color: rgba(0, 0, 0, .2);
        border-bottom-color: rgba(0, 0, 0, .2);
        -webkit-animation: pace-rotation 1s linear infinite;
        -moz-animation: pace-rotation 1s linear infinite;
        -o-animation: pace-rotation 1s linear infinite;
        animation: pace-rotation 1s linear infinite;
    }

@-webkit-keyframes pace-rotation {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
    }
}

@keyframes pace-rotation {
    0% {
        -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        -o-transform: rotate(0deg);
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }

    100% {
        -moz-transform: rotate(359deg);
        -ms-transform: rotate(359deg);
        -o-transform: rotate(359deg);
        -webkit-transform: rotate(359deg);
        transform: rotate(359deg);
    }
}