SemanSemantic-UItic-UI/rtl/minified/modules/modal.min.css

.ui.modal {
  display: none;
  position: fixed;
  z-index: 1001;
  top: 50%;
  right: 50%;
  text-align: right;
  width: 90%;
  margin-right: -45%;
  background-color: #FFF;
  border: 1px solid #DDD;
  border-radius: 5px;
}

.ui.modal>.close {
  cursor: pointer;
  position: absolute;
  opacity: .8;
  font-size: 1.25em;
  top: -1.75em;
  left: -1.75em;
  color: #FFF;
}

.ui.modal>.close:hover {
  opacity: 1;
}

.ui.modal>.header {
  margin: 0;
  padding: 1.5rem 2rem;
  font-size: 1.6em;
  font-weight: 700;
  border-radius: .325em .325em 0 0;
}

.ui.modal>.content {
  display: table;
  width: 100%;
  position: relative;
  padding: 2em;
  background-color: #F4F4F4;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  -ms-box-sizing: border-box;
  box-sizing: border-box;
}

.ui.modal>.content>.left {
  display: table-cell;
  padding-left: 1.5%;
  min-width: 25%;
}

.ui.modal>.content>.right {
  display: table-cell;
  padding-right: 1.5%;
  vertical-align: top;
}

.ui.modal>.content>.left>.icon {
  font-size: 8em;
  margin: 0;
}

.ui.modal>.content p {
  line-height: 1.6;
}

.ui.modal .actions {
  padding: 1rem 2rem;
  text-align: left;
}

.ui.modal .actions>.button {
  margin-right: .75em;
}

@media only screen and (max-width:768px) {
  .ui.modal .content .left {
    display: block;
    padding: 0 1em 0 0;
  }

  .ui.modal .content .right {
    display: block;
    padding: 1em 0 0;
    -webkit-box-shadow: none;
    box-shadow: none;
  }
}

@media only screen and (max-width:998px) {
  .ui.modal {
    width: 92%;
    margin-right: -46%;
  }

  .ui.modal>.close {
    color: rgba(0,0,0,.8);
    top: 1.5rem;
    left: 1rem;
  }
}

@media only screen and (min-width:998px) {
  .ui.modal {
    width: 74%;
    margin-right: -37%;
  }
}

@media only screen and (min-width:1500px) {
  .ui.modal {
    width: 56%;
    margin-right: -28%;
  }
}

@media only screen and (min-width:1750px) {
  .ui.modal {
    width: 42%;
    margin-right: -21%;
  }
}

@media only screen and (min-width:2000px) {
  .ui.modal {
    width: 36%;
    margin-right: -18%;
  }
}

.ui.basic.modal {
  background-color: transparent;
  border: 0;
  color: #FFF;
}

.ui.basic.modal>.close {
  top: 1.5rem;
  left: 1rem;
}

.ui.basic.modal .content {
  background-color: transparent;
}

.ui.modal.scrolling {
  position: absolute;
  margin-top: 10px;
}

.ui.active.modal {
  display: block;
}

.ui.small.modal>.header {
  font-size: 1.3em;
}

@media only screen and (min-width:998px) {
  .ui.small.modal {
    width: 58%;
    margin-right: -29%;
  }
}

@media only screen and (min-width:1500px) {
  .ui.small.modal {
    width: 40%;
    margin-right: -20%;
  }
}

@media only screen and (min-width:1750px) {
  .ui.small.modal {
    width: 26%;
    margin-right: -13%;
  }
}

@media only screen and (min-width:2000px) {
  .ui.small.modal {
    width: 20%;
    margin-right: -10%;
  }
}

@media only screen and (min-width:998px) {
  .ui.large.modal {
    width: 74%;
    margin-right: -37%;
  }
}

@media only screen and (min-width:1500px) {
  .ui.large.modal {
    width: 64%;
    margin-right: -32%;
  }
}

@media only screen and (min-width:1750px) {
  .ui.large.modal {
    width: 54%;
    margin-right: -27%;
  }
}

@media only screen and (min-width:2000px) {
  .ui.large.modal {
    width: 44%;
    margin-right: -22%;
  }
}