.one-half {
  width: 50%;
}

.one-third {
  width: 33.33%;
}

.two-third {
  width: 66.66%;
}

.one-fourth {
  width: 25%;
}
.three-fourth {
  width: 75%;
}
.one-sixth {
  width: 16.66%;
}

.three-fifth {
  width: 60%;
}

.two-fifth {
  width: 40%;
}

.one-half, .one-third, .two-third, .one-fourth, .three-fourth, .one-sixth, .three-fifth, .two-fifth {
  float: left;
  min-height: 1px;
  padding-left: 20px;
  padding-right: 20px;
  position: relative;
}

@media only screen and (min-width: 768px) and (max-width: 1200px) {
  .center-box {
    width: 100%!important;
    padding-left: 20px;
    padding-right: 20px;
}
}

@media only screen and (max-width: 820px) {/*ez eredetileg 768 volt, de az ipadair miatt nagyobbnál is jobb ez*/
  .center-box {
    width: 100%!important;
    padding-left: 20px;
    padding-right: 20px;
  }


  .one-half, .one-third, .two-third, .one-fourth, .three-fourth, .one-sixth, .three-fifth, .two-fifth {


      width: 100%;
      padding-left: 0;
      padding-right: 0;
  }
}