@font-face {
    font-family: "Nanum";
    src: local(NanumBarunGothic), url(NanumBarunGothic.woff) format('woff'),
         url(NanumSquareR.eot) format('embedded-opentype'),
         url(NanumSquareR.woff) format('woff'), /* 세번째 */
         url(NanumSquareR.ttf) format('truetype');
    font-weight: 400;
}


.per-10 {
    width: 10%;
}
.per-20 {
    width: 20%;
}
.per-30 {
    width: 30%;
}

.per-80 {
    width: 80%;
}
.per-100 {
    width: 100%;
}


.btnResist {
    width: 100%;
    border: none;
    background: #F16524;
    color: white;
    padding: 20px;
    font-size: 18px;
    cursor: pointer;
}
.error {
    color: red;
    margin-top: 10px;
    display: inline-block;
}