.upload-icon {
  position: relative;
  overflow: hidden;
  display: inline-block;
}

.upload-icon .md-button {
    z-index: 10
}
.render-icon-div {
    border: solid 1px gray;
    width: 120px;
    height: 120px;
}
.icon-chapter {
    max-width: 40% !important;
}
.input-error-message-code-chapter-exist {
    padding-left: 5px;
    display: block;
    width: 70%;
}
.render-icon {
    max-width: 100%;
    max-height: 115px;
}
.button-icon-trash {
    border: none;
    background-color: white;
}
.render-icon-empty {
    font-size: 85px;
    margin-top: 50%;
    transform: translate(0, -50%);
    color: lightgray;
}
.upload-icon input[type=file] {
  font-size: 100px;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0;
}