.pc-container {
    position: relative;
    width: 100%;
}

.pc-border {
    position: relative;
    text-align: center;
    width: 100%;
    padding-top: 100%;
    border-radius: 100%;
}

.pc-circle {
    position: relative;
    margin-top: -90%;
    margin-left: 10%;
    width: 80%;
    padding-top: 80%;
    border-radius: 100%;
}

.pc-percent {
    font-family: Arial, sans-serif;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3em;
}