/* Basis lay-out voor de masonry container */
.masonry-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  /*
    column-count: 4;
    column-gap: 1em;
  */
}

.masonry-item {
  /*
    background: #eee;
    margin-bottom: 1em;
    display: inline-block;
    width: 100%;
  */
  margin: 5px;
  transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
}

.ms-center {
  margin: auto;
  width: 50%
}

.ms-button {
  border-radius: 6px;
  background-color: #f4511e;
  border: none;
  color: #FFFFFF;
  text-align: center;
  font-size: 18px;
  padding: 10px;
  width: 120px;
  transition: all 0.5s;
  cursor: pointer;
  margin: 5px;
}

.ms-button:hover {
  background-color: #3e8e41
}

.ms-button span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.ms-button span:after {
  content: '\00bb';
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}

.ms-button:hover span {
  padding-right: 25px;
}

.ms-button:hover span:after {
  opacity: 1;
  right: 0;
}

.glow-on-hover {
    width: 220px;
    height: 50px;
    border: none;
    outline: none;
    color: #fff;
    background: #111;
    cursor: pointer;
    position: relative;
    z-index: 0;
    border-radius: 10px;
}

.glow-on-hover:before {
    content: '';
    background: linear-gradient(45deg, #ff0000, #ff7300, #fffb00, #48ff00, #00ffd5, #002bff, #7a00ff, #ff00c8, #ff0000);
    position: absolute;
    top: -2px;
    left:-2px;
    background-size: 400%;
    z-index: -1;
    filter: blur(5px);
    width: calc(100% + 4px);
    height: calc(100% + 4px);
    animation: glowing 20s linear infinite;
    opacity: 0;
    transition: opacity .3s ease-in-out;
    border-radius: 10px;
}

.glow-on-hover:active {
    color: #000
}

.glow-on-hover:active:after {
    background: transparent;
}

.glow-on-hover:hover:before {
    opacity: 1;
}

.glow-on-hover:after {
    z-index: -1;
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: #111;
    left: 0;
    top: 0;
    border-radius: 10px;
}

@keyframes glowing {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}