.marks-box {
  width: 100px;
  height: 100px;
  background-color: rgb(175, 73, 73);
  border: 3px solid rgb(170, 170, 57);
  margin: auto;
}

.newDiv {
  width: 12.5vw;
  height: 100px;
  background-color: red;
}

.bunny {
  -webkit-filter: invert(1);
  filter: invert(1);
}

@-webkit-keyframes rotate {
  from {
    -webkit-transform: rotate(0deg);
  }
  to {
    -webkit-transform: rotate(360deg);
  }
}

#spinning {
  -webkit-animation-name: rotate;
  -webkit-animation-duration: 0.5s;
  -webkit-animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
}