html {
  height: 100%
}

body {
  margin: 0;
  min-height: 100%;
  background-color: #2cabe3;
  background-size: 100% 100%;
}

.center {
  margin: 0;
  position: absolute;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  animation: pulse 2.5s infinite;
  width: 10%;
}

.contain {
  display:block;
  width:100%; height:100%;
  object-fit: contain;
}

.stretch {
  display:block;
  width:100%; height:100%;
}

.cover {
  display:block;
  width:100%; height:100%;
  object-fit: cover;
}

.bottom {
  position: absolute;
  bottom: 0;
  left: 50%;
  -ms-transform: translate(-50%, 0);
  transform: translate(-50%, 0);
}

.bottomLeft {
  position: absolute;
  bottom: 0;
  left: 0;
}

.bottomRight {
  position: absolute;
  bottom: 0;
  right: 0;
}

@keyframes pulse {
    0% {
        -ms-transform: scale(1) translate(-50%, -50%);
        transform: scale(1) translate(-50%, -50%);
    }
    50% {
        -ms-transform: scale(1.3) translate(-39%, -39%);
        transform: scale(1.3) translate(-39%, -39%);
    }
    100% {
        -ms-transform: scale(1) translate(-50%, -50%);
        transform: scale(1) translate(-50%, -50%);
    }
}