.img-product {
  width: auto;
  height: 50px;
}

#to-relationship .ico-selected {
  opacity: 0;
  color: green;
}

#to-relationship .selected .ico-selected {
  opacity: 1;
}

.text-center {
  text-align: center;
}

.scroll {
  overflow-y: scroll;
  max-height: 50vh;
  min-height: 50vh;
}

.loading-custom {
  height: 0;
  width: 0;
  padding: 5px;
  border: 6px solid #ccc;
  border-right-color: #888;
  border-radius: 22px;
  -webkit-animation: rotate 1s infinite linear;
  /* left, top and position just for the demo! */
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

@-webkit-keyframes rotate {
  /* 100% keyframe for  clockwise. 
     use 0% instead for anticlockwise */
  100% {
    -webkit-transform: rotate(360deg);
  }
}