#preloader {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f3f3f3;
    z-index: 1200;
}

#wave:after,
#wave:before {
    content: ''
}

#mask {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #f3f3f3;
    z-index: 99
}

#wave {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    height: 50px;
    width: 50px;
    margin: -25px 0 0 -25px;
    border-radius: 50%
}

#wave:after,
#wave:before {
    border: 2px solid #16559A;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    position: absolute;
    left: 0
}

#wave:before {
    -webkit-transform: scale(1, 1);
    -ms-transform: scale(1, 1);
    transform: scale(1, 1);
    opacity: 1;
    -webkit-animation: spWaveBe .6s infinite linear;
    animation: spWaveBe .6s infinite linear
}

#wave:after {
    -webkit-transform: scale(0, 0);
    -ms-transform: scale(0, 0);
    transform: scale(0, 0);
    opacity: 0;
    -webkit-animation: spWaveAf .6s infinite linear;
    animation: spWaveAf .6s infinite linear
}

@-webkit-keyframes spWaveAf {
    from {
        -webkit-transform: scale(.5, .5);
        transform: scale(.5, .5);
        opacity: 0
    }
    to {
        -webkit-transform: scale(1, 1);
        transform: scale(1, 1);
        opacity: 1
    }
}

@keyframes spWaveAf {
    from {
        -webkit-transform: scale(.5, .5);
        transform: scale(.5, .5);
        opacity: 0
    }
    to {
        -webkit-transform: scale(1, 1);
        transform: scale(1, 1);
        opacity: 1
    }
}

@-webkit-keyframes spWaveBe {
    from {
        -webkit-transform: scale(1, 1);
        transform: scale(1, 1);
        opacity: 1
    }
    to {
        -webkit-transform: scale(1.5, 1.5);
        transform: scale(1.5, 1.5);
        opacity: 0
    }
}

@keyframes spWaveBe {
    from {
        -webkit-transform: scale(1, 1);
        transform: scale(1, 1);
        opacity: 1
    }
    to {
        -webkit-transform: scale(1.5, 1.5);
        transform: scale(1.5, 1.5);
        opacity: 0
    }
}