.overall{margin-bottom: 10px;}.ring-chart{float: left;position: relative;width: 100%;}.span-percent{position: absolute;top: 50%;margin-top: -13px;font-size: 17px;font-weight: bold;text-align: center;left: 0;right: 0;margin-left: auto;margin-right: auto;}.center{text-align: center;}