.fix {
  overflow: hidden;
}

/* img-pop */
.img-pop {
  position: relative;
  width: 480px;
  margin: 0 20px 20px 0;
}



.btn {
  font-size: 50px;
  text-decoration: none;
  height: 100px;
  width: 100px;
  background: #179f5d;
  color: #fff;
  line-height: 100px;
  text-align: center;
  border-radius: 50%;
  transition: all 0.3s;
}

.btn:hover {
  font-size: 55px;
  background: #c30000;
}

.img-pop a {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  margin: auto;
}

/* video 2 center using margin auto*/

.video2 {
  position: relative;
  width: 480px;
}

.video2 a {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  margin: auto;
  width: 80px;
  height: 80px;
}
.btn2 img {
  width: 80px;
  transition: all 0.3s;
}

.btn2 img:hover {
  width: 90px;
}

/* video 3 using flex */

.video3 {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.video3 a {
  position: absolute;
}

.btn3 img {
  width: 80px;
  transition: all 0.3s;
}
.btn3 img:hover {
  width: 150px;
}

/* image hover */
.img-hover {
  transition: all 0.5s;
}
.img-hover:hover {
  -moz-transform: scale(1.2) rotate(2deg);
  -webkit-transform: scale(1.2) rotate(2deg);
  -o-transform: scale(1.2) rotate(2deg);
  -ms-transform: scale(1.2) rotate(2deg);
  transform: scale(1.2) rotate(2deg);
}