.spanner {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -50px;
    margin-left: -50px;
    height: 78px;
    width: 78px;
    border-radius: 78px;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 3px solid rgb(0, 152, 53);
    left: 35%;
    left: calc(50% - 42px);
    left: -o-calc(50% - 42px);
    left: -ms-calc(50% - 42px);
    left: -webkit-calc(50% - 42px);
    left: -moz-calc(50% - 42px);

    transform-origin: 50% 50%;
    -o-transform-origin: 50% 50%;
    -ms-transform-origin: 50% 50%;
    -webkit-transform-origin: 50% 50%;
    -moz-transform-origin: 50% 50%;
    animation: spanner 3.45s linear infinite;
    -o-animation: spanner 3.45s linear infinite;
    -ms-animation: spanner 3.45s linear infinite;
    -webkit-animation: spanner 3.45s linear infinite;
    -moz-animation: spanner 3.45s linear infinite;
}

.spanner:after {
    content: "";
    position: absolute;
    top: -5px;
    left: 19px;
    width: 14px;
    height: 14px;
    border-radius: 20px;
    background-color: rgb(0, 109, 38);
}

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

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

@-o-keyframes spanner {
    0% {
        -o-transform: rotate(0deg);
    }

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

@-ms-keyframes spanner {
    0% {
        -ms-transform: rotate(0deg);
    }

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

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

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

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

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

.overlay {
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(222, 222, 222, 0.30);
}

.overlay {
    -webkit-transition: all 0.3s;
    -moz-transition: all 0.3s;
    transition: all 0.3s;
}

.bar {
    background: rgb(255, 0, 0) !important;
}