.ribbon {
    width: 150px;
    height: 150px;
    overflow: hidden;
    position: fixed;
    z-index: 2000;
}

.ribbon::before,
.ribbon::after {
    position: absolute;
    content: '';
    display: block;
    /*border: 5px solid #2980b9;*/
}

.ribbon span {
    position: absolute;
    display: block;
    width: 225px;
    padding: 15px 0;
    background: #79A70A;
    background: linear-gradient(#9BC90D 0%, #79A70A 100%);
    /*box-shadow: 0 5px 10px rgba(0,0,0,.1);*/
    box-shadow: 0 3px 10px -5px rgba(0, 0, 0, 1);
    color: #fff;
    font: 700 18px/1 'Lato', sans-serif;
    text-shadow: 0 1px 1px rgba(0,0,0,.2);
    /*text-transform: uppercase;*/
    text-align: center;
}

.ribbon-bottom-right {
    bottom: 0px;
    right: 0px;
}

.ribbon-bottom-right::before,
.ribbon-bottom-right::after {
    border-bottom-color: transparent;
    border-right-color: transparent;
}

.ribbon-bottom-right::before {
    bottom: 0;
    left: 0;
}

.ribbon-bottom-right::after {
    top: 0;
    right: 0;
}

.ribbon-bottom-right span {
    left: -25px;
    bottom: 30px;
    transform: rotate(-45deg);
}

/********/
.ribbon-red {
    width: 150px;
    height: 150px;
    overflow: hidden;
    position: fixed;
    z-index: 2000;
}

.ribbon-red::before,
.ribbon-red::after {
    position: absolute;
    content: '';
    display: block;
    /*border: 5px solid #2980b9;*/
}

.ribbon-red span {
    position: absolute;
    display: block;
    width: 225px;
    padding: 15px 0;
    background: linear-gradient(#7F0037 0%, #FF0000 100%);
    /*box-shadow: 0 5px 10px rgba(0,0,0,.1);*/
    box-shadow: 0 3px 10px -5px rgba(0, 0, 0, 1);
    color: #fff;
    font: 700 18px/1 'Lato', sans-serif;
    text-shadow: 0 1px 1px rgba(0,0,0,.2);
    /*text-transform: uppercase;*/
    text-align: center;
}

/********/
.ribbon-yellow {
    width: 150px;
    height: 150px;
    overflow: hidden;
    position: fixed;
    z-index: 2000;
}

    .ribbon-yellow::before,
    .ribbon-yellow::after {
        position: absolute;
        content: '';
        display: block;
        /*border: 5px solid #2980b9;*/
    }

    .ribbon-yellow span {
        position: absolute;
        display: block;
        width: 225px;
        padding: 15px 0;
        background: linear-gradient(#FF6A00 0%, #FFD800 100%);
        /*box-shadow: 0 5px 10px rgba(0,0,0,.1);*/
        box-shadow: 0 3px 10px -5px rgba(0, 0, 0, 1);
        color: #fff;
        font: 700 18px/1 'Lato', sans-serif;
        text-shadow: 0 1px 1px rgba(0,0,0,.2);
        /*text-transform: uppercase;*/
        text-align: center;
    }