.multiple-borders {
  -webkit-box-shadow:
    0px 0px 0px 2px rgba(0, 0, 0, 0.6),
    0px 0px 0px 14px #fff,
    0px 0px 0px 18px #4a8fb0,
    6px 6px 8px 17px #555;

  -moz-box-shadow:
    0px 0px 0px 2px rgba(0, 0, 0, 0.6),
    0px 0px 0px 14px #fff,
    0px 0px 0px 18px #4a8fb0,
    6px 6px 8px 17px #555;

  box-shadow:
    0px 0px 0px 2px rgba(0, 0, 0, 0.6),
    0px 0px 0px 14px #fff,
    0px 0px 0px 18px #4a8fb0,
    6px 6px 8px 17px #555;
}

.heart {
  animation: beat .35s infinite alternate;
}

@keyframes beat {
  to {
    transform: scale(1.2);
  }
}

#btnComing {
  margin-top: 10%;
}

@media (max-width: 550px) {
  #btnComing {
    margin-top: 0;
  }
}

@media (max-width: 991px) {
  .imageCentral {
    padding: 1rem !important;
  }
}

@media (min-width: 992px) {
  .imageCentral {
    padding: 0 2rem !important;
  }

  #collapseMenuHamburger {
    display: none !important;
  }
}


/* hamburger */
.checkbox {
  display: none;
}

.button {
  position: relative;
  background-color: whitesmoke;
  border: 1px solid black;
  height: 3.5rem;
  width: 3.5rem;
  border-radius: 30%;
  position: fixed;
  top: 3px;
  right: 2vw;
  z-index: 2000;
  box-shadow: 0 1rem 3rem black;
  text-align: center;
}

.background {
  height: 3.5rem;
  width: 3.5rem;
  border-radius: 50%;
  position: fixed;
  top: 3px;
  right: 2vw;
  background-image: radial-gradient(800020, black);
  z-index: 1000;

  transition: transform 0.8s cubic-bezier(0.86, 0, 0.07, 1);
}

.nav {
  height: 100vh;
  position: fixed;
  top: 0;
  right: -60vw;
  z-index: 1500;
  opacity: 0;
  width: 0;
  transition: all 0.8s;
}

.list {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  list-style: none;
  text-align: center;
  width: 100%;
}

.item {
  margin: 1rem;
  font-size: 36px;
}

.link:link,
.link:visited {
  display: inline-block;
  font-size: 3rem;
  font-weight: 300;
  padding: 1rem 2rem;
  color: white;
  text-decoration: none;
  text-transform: uppercase;
  background-image: linear-gradient(120deg,
      transparent 0%,
      transparent 50%,
      white 50%);
  background-size: 220%;
  transition: all 0.4s;
}

.link:hover,
.link:active {
  color: black !important;
  cursor: pointer;
}

/* functionality */
.checkbox:checked~.background {
  transform: scale(80);
}

.checkbox:checked~.nav {
  opacity: 1;
  width: 100%;
  right: 0;
}

/*  */
/* styling hamb ICON */
.icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.icon,
.icon::before,
.icon::after {
  width: 3rem;
  height: 2px;
  background-color: gray;
  display: inline-block;
}

.icon::before,
.icon::after {
  content: "";
  position: absolute;
  left: 0;
  transition: all 0.2s;
}

.icon::before {
  top: -0.8rem;
}

.icon::after {
  top: 0.8rem;
}

.button:hover icon:before {
  top: -1rem;
}

.button:hover icon::after {
  top: 1rem;
}

.checkbox:checked+.button .icon {
  background-color: transparent;
}

.checkbox:checked+.button .icon::before {
  top: 0;
  transform: rotate(135deg);
}

.checkbox:checked+.button .icon::after {
  top: 0;
  transform: rotate(-135deg);
}