.buttonSpinner {
    display: block;
    width: 15px;
    height: 15px;
    margin: 1px 4px;
    position: relative;
    border: 2px solid rgba(0,0,0,0.5);
    border-top-color: transparent;
    border-radius: 100%;
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -ms-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

.spinner {
    display: block;
    width: 15px;
    height: 15px;
    margin: 1px 4px;
    position: relative;
    border: 2px solid rgba(0,0,0,0.5);
    border-top-color: transparent;
    border-radius: 100%;
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -ms-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

    .spinner:after {
        content: '';
        display: block;
        width: 0;
        height: 0;
        position: absolute;
        top: -5px;
        left: 0px;
        border: 4px solid transparent;
        border-bottom-color: rgba(0,0,0,0.5);
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }


.spinner_med {
    display: block;
    width: 28px;
    height: 28px;
    margin: 1px 4px;
    position: relative;
    border: 2px solid rgba(0,0,0,0.5);
    border-top-color: transparent;
    border-radius: 100%;
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -ms-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

    .spinner_med:after {
        content: '';
        display: block;
        width: 0;
        height: 0;
        position: absolute;
        top: -1px;
        left: 0px;
        border: 4px solid transparent;
        border-bottom-color: rgba(0,0,0,0.5);
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }


.spinner_large {
    display: block;
    width: 48px;
    height: 48px;
    margin: 1px 4px;
    position: relative;
    border: 2px solid rgba(0,0,0,0.5);
    border-top-color: transparent;
    border-radius: 100%;
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -ms-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

    .spinner_large:after {
        content: '';
        display: block;
        width: 0;
        height: 0;
        position: absolute;
        top: 5px;
        left: 0px;
        border: 4px solid transparent;
        border-bottom-color: rgba(0,0,0,0.5);
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }


.spinner_inline_block {
    display: inline-block;
    width: 15px;
    height: 15px;
    margin: 1px 4px;
    position: relative;
    border: 2px solid rgba(0,0,0,0.5);
    border-top-color: transparent;
    border-radius: 100%;
    -webkit-animation: spin 1s infinite linear;
    -moz-animation: spin 1s infinite linear;
    -ms-animation: spin 1s infinite linear;
    -o-animation: spin 1s infinite linear;
    animation: spin 1s infinite linear;
}

    .spinner_inline_block:after {
        content: '';
        display: inline-block;
        width: 0;
        height: 0;
        position: absolute;
        top: -5px;
        left: 0px;
        border: 4px solid transparent;
        border-bottom-color: rgba(0,0,0,0.5);
        -webkit-transform: rotate(45deg);
        -moz-transform: rotate(45deg);
        -ms-transform: rotate(45deg);
        -o-transform: rotate(45deg);
        transform: rotate(45deg);
    }

@-webkit-keyframes spin {
    to {
        -webkit-transform: rotate(360deg);
    }
}

@-moz-keyframes spin {
    to {
        -moz-transform: rotate(360deg);
    }
}

@-ms-keyframes spin {
    to {
        -ms-transform: rotate(360deg);
    }
}

@-o-keyframes spin {
    to {
        -o-transform: rotate(360deg);
    }
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}