html {
  box-sizing: border-box;
}
*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  height: 100vh;
  width: 100vw;
  padding: 0;
  margin: 0;
  position: relative;
  /* Need to exclude the scrollbar */
  min-width: calc(100vw - (100vw - 100%));
  min-height: calc(100vh - (100vh - 100%));
  overflow: hidden;
}

#main {
  height: 100%;
  width: 100%;
  justify-content: center;
  display: flex;
  align-items: center;
  flex-direction: column;
}


.button-3d {
  display: block;
  position: relative;
  margin: 0.5em 0;
  padding: 0.8em 2.2em;
  cursor: pointer;
  background: #fff;
  border: none;
  border-radius: 0.4em;
  text-transform: uppercase;
  font-size: 1.4em;
  font-family: 'Work Sans', sans-serif;
  font-weight: 500;
  letter-spacing: 0.04em;
  mix-blend-mode: color-dodge;
  perspective: 500px;
  transform-style: preserve-3d;
  background-color: yellowgreen;
}

.lds-default {
  margin: 15% auto;
  position: relative;
  width: 80px;
  height: 80px;
}
.lds-default div {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #4230e2;
  border-radius: 50%;
  animation: lds-default 1.2s linear infinite;
}
.lds-default div:nth-child(1) {
  animation-delay: 0s;
  top: 37px;
  left: 66px;
}
.lds-default div:nth-child(2) {
  animation-delay: -0.1s;
  top: 22px;
  left: 62px;
}
.lds-default div:nth-child(3) {
  animation-delay: -0.2s;
  top: 11px;
  left: 52px;
}
.lds-default div:nth-child(4) {
  animation-delay: -0.3s;
  top: 7px;
  left: 37px;
}
.lds-default div:nth-child(5) {
  animation-delay: -0.4s;
  top: 11px;
  left: 22px;
}
.lds-default div:nth-child(6) {
  animation-delay: -0.5s;
  top: 22px;
  left: 11px;
}
.lds-default div:nth-child(7) {
  animation-delay: -0.6s;
  top: 37px;
  left: 7px;
}
.lds-default div:nth-child(8) {
  animation-delay: -0.7s;
  top: 52px;
  left: 11px;
}
.lds-default div:nth-child(9) {
  animation-delay: -0.8s;
  top: 62px;
  left: 22px;
}
.lds-default div:nth-child(10) {
  animation-delay: -0.9s;
  top: 66px;
  left: 37px;
}
.lds-default div:nth-child(11) {
  animation-delay: -1s;
  top: 62px;
  left: 52px;
}
.lds-default div:nth-child(12) {
  animation-delay: -1.1s;
  top: 52px;
  left: 62px;
}
@keyframes lds-default {
  0%, 20%, 80%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.5);
  }
}