.statistic-graph {
    text-align: center;
    font-size: 1.15rem;
    font-weight: bold;
    margin-bottom: 8px;
}

.rrd-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding-bottom: 60px;
}

.rrd-img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 0 auto;
}

.rrd-radio-toolbar {
    text-align: center;
    margin: 10px 0;
    position: absolute;
    left: 50%;
    bottom: 0;
    margin-left: -147px;
}

.rrd-radio-toolbar span.rrd-tb-std {
    display: inline-block;
    margin: 0;
    padding: 5px 0;
    border: 0;
}

.rrd-radio-toolbar span.rrd-tb-std span.rrd-tb-btn {
    text-decoration: none;
    outline: none;
    cursor: pointer;
    display: inline-block;
    padding: 15px 20px;
    margin: 0 6px;
    border-radius: 10px;
    font-family: 'Montserrat', sans-serif;
    font-weight: bold;
    letter-spacing: 2px;
    color: white;
    background-color: #c8dcf3;
    background-position: center center;
    background-repeat: no-repeat;
    background-size: 30%;
}

.rrd-btn-minus {
    background-image: url(../images/minus.png) !important;
}

.rrd-btn-plus {
    background-image: url(../images/plus.png) !important;
}

.rrd-btn-back {
    background-image: url(../images/back.png) !important;
}

.rrd-btn-refresh {
    background-image: url(../images/refresh.png) !important;
}

.rrd-radio-toolbar span.rrd-tb-std span.disabled {
    background-color: #ffffff;
    color: #aaaaaa;
}

.rrd-radio-toolbar span.rrd-tb-std span.rrd-tb-intname {
    display: inline-block;
    width: 70px;
    text-align: center;
    vertical-align: top;
    margin-top: 5px;
}

.rrd-radio-toolbar input[type="radio"] {
    display: none;
}

.rrd-radio-toolbar label {
    display: inline-block;
    background-color: #ddd;
    padding: 2px 10px;
    font-family: Arial;
    font-size: 16px;
    font-weight: bold;
    cursor: hand;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    border-radius: 10px;
    border: 2px outset;
}

.rrd-radio-toolbar input[type="radio"]:checked + label {
    border: 2px inset;
}