.careerclass {
    position: relative;
    padding: 250px 0px;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
  }

  .careerclass::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /*background-color: rgba(0, 0, 0, 0.4);  ปรับความมืดได้ */
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0));
    z-index: 1;
  }

  .careerclass .container {
    position: relative;
    z-index: 2;
  }

/*.active {background-color: #ed1c24;color: white;}*/
.previous {background-color: #f1f1f1;color: black;}
.next {background-color: #f1f1f1;color: white;}
.submit {background-color: #4bae4c;color: white;}

.actives { background-color: #ed1c24;color: white;}
.previous {background-color: #f1f1f1;color: black;}
.next { background-color: #ed1c24; color: white; }
.boxch {-webkit-box-shadow: 0px 0px 21px 0px rgba(186,186,186,1);-moz-box-shadow: 0px 0px 21px 0px rgba(186,186,186,1);box-shadow: 0px 0px 21px 0px rgba(186,186,186,1);padding: 15px;}

.pad10{padding: 10px;}
.padtop20 {padding-top: 20px;}
.imittxtcolor {color:#ed1b24 !important;}