.img-small {
  width: auto;
  height: 55px;
}

.img-carlos{
  width: 30%;
  height: 30%;
}

ul li{
  overflow: visible;
  padding-left: 17px;
  position: relative;
}

ul li:before
{
  content: '\2713';
  left: 0;
  position: absolute;
}

#iconHolder{
  display: flex;
  flex-wrap: wrap;
  row-gap: 10px;
  column-gap: 2.5em;
}

#iconHolder > * {
  flex: 1;
  padding: 30px;
}