.bg-black {
  background-color: #1e1f23;
}
.text-center {
  text-align: center;
}
.center {
  margin: auto;
  width: 100%;
  padding: 10px;
}
.text-size {
  font-size: 80px;
}
.text-white {
  text-decoration:none;
  color: white;
}
.mt {
  margin-top: 100px;
}
.mb {
  margin-bottom: 100px;
}

.icon {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 0.5s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}




.icon2 {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon2:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 0.6s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}



.icon3 {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon3:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 0.7s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}




.icon4 {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon4:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 0.8s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}



.icon5 {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon5:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 0.9s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}



.icon6 {
position: relative;
overflow: hidden;
width: 100%;
height: 100%;
display: inline-block;
}

/**
 * The "shine" element
 */

.icon6:after {

  animation: shine 5s ease-in-out;
  animation-fill-mode: forwards;
  animation-delay: 1s;
  content: "";
  position: absolute;
  top: -160%;
  left: -260%;
  width: 350%;
  height: 200%;
  opacity: 0;
  transform: rotate(110deg);

  background: rgba(255, 255, 255, 0.13);
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0.13) 0%,
    rgba(255, 255, 255, 0.13) 77%,
    rgba(255, 255, 255, 0.5) 92%,
    rgba(255, 255, 255, 0.0) 100%
  );
}

/* Hover state - trigger effect */


/* Active state */

.icon:active:after {
  opacity: 0;
}

@keyframes shine{
  10% {
    opacity: 1;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
    transition-duration: 0.7s, 0.7s, 0.15s;
    transition-timing-function: ease;
  }
  100% {
    opacity: 0;
    top: -30%;
    left: -30%;
    transition-property: left, top, opacity;
  }
}