.open-close-button {
  display: inline-block;
  width: 2em;
  height: 2em;
  border: 0.1em solid #f4d6d7;
/*  margin: 2em 45%;*/
  font-size: 3em;
  border-radius: 50%;
  position: relative;
  -moz-transition: 0.5s;
  -o-transition: 0.5s;
  -webkit-transition: 0.5s;
  transition: 0.5s;
  -moz-transform: translateZ(0);
  -webkit-transform: translateZ(0);
  transform: translateZ(0);
}
.open-close-button:before {
  content: "";
  display: block;
  position: absolute;
  background-color: #f4d6d7;
  width: 80%;
  height: 6%;
  left: 10%;
  top: 47%;
}
.open-close-button:after {
  content: "";
  display: block;
  position: absolute;
  background-color: #f4d6d7;
  width: 6%;
  height: 80%;
  left: 47%;
  top: 10%;
}
.open-close-button.open {
  background-color: #f4d6d7;
  -moz-transform: rotate(225deg);
  -ms-transform: rotate(225deg);
  -webkit-transform: rotate(225deg);
  transform: rotate(225deg);
}
.open-close-button.open:after {
  background-color: #C9353B;
}
.open-close-button.open:before {
  background-color: #C9353B;
}