.loader {
    border: 16px solid #f3f3f3; /* Light grey */
    border-top: 16px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 120px;
    height: 120px;
    animation: spin 2s linear infinite;
}

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

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

.lmask {
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.65);
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    z-index: 9999;
    opacity: 0.4;
}

    /*.lmask.fixed {
        position: fixed;
    }*/

    .lmask:before {
        content: '';
        background-color: rgba(0, 0, 0, 0);
        border: 5px solid rgba(0, 183, 229, 0.9);
        opacity: .9;
        border-right: 5px solid rgba(0, 0, 0, 0);
        border-left: 5px solid rgba(0, 0, 0, 0);
        border-radius: 50px;
        box-shadow: 0 0 35px #2187e7;
        width: 50px;
        height: 50px;
        -moz-animation: spinPulse 1s infinite ease-in-out;
        -webkit-animation: spinPulse 1s infinite linear;
        margin: -25px 0 0 -25px;
        position: absolute;
        top: 50%;
        left: 50%;
    }

    .lmask:after {
        content: '';
        background-color: rgba(0, 0, 0, 0);
        border: 5px solid rgba(0, 183, 229, 0.9);
        opacity: .9;
        border-left: 5px solid rgba(0, 0, 0, 0);
        border-right: 5px solid rgba(0, 0, 0, 0);
        border-radius: 50px;
        box-shadow: 0 0 15px #2187e7;
        width: 30px;
        height: 30px;
        -moz-animation: spinoffPulse 1s infinite linear;
        -webkit-animation: spinoffPulse 1s infinite linear;
        margin: -15px 0 0 -15px;
        position: absolute;
        top: 50%;
        left: 50%;
    }

@-moz-keyframes spinPulse {
    0% {
        -moz-transform: rotate(160deg);
        opacity: 0;
        box-shadow: 0 0 1px #2187e7;
    }

    50% {
        -moz-transform: rotate(145deg);
        opacity: 1;
    }

    100% {
        -moz-transform: rotate(-320deg);
        opacity: 0;
    }
}

@-moz-keyframes spinoffPulse {
    0% {
        -moz-transform: rotate(0deg);
    }

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

@-webkit-keyframes spinPulse {
    0% {
        -webkit-transform: rotate(160deg);
        opacity: 0;
        box-shadow: 0 0 1px #2187e7;
    }

    50% {
        -webkit-transform: rotate(145deg);
        opacity: 1;
    }

    100% {
        -webkit-transform: rotate(-320deg);
        opacity: 0;
    }
}

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

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