.button-3 {
  width: 140px;
  height: 45px;
  border: 1px solid #0c579c;
  float: left;
  text-align: center;
  cursor: pointer;
  position: relative;
  box-sizing: border-box;
  overflow: hidden;
}

.button-3 a {
  font-family: arial;
  font-size: 16px;
  color: #b30202;
  text-decoration: none;
  line-height: 40px;
  transition: all .5s ease;
  z-index: 2;
  position: relative;
}

.eff-3 {
  width: 140px;
  height: 45px;
  bottom: -50px;
  background: #b30202;
  position: absolute;
  transition: all .5s ease;
  z-index: 1;
}

.button-3:hover .eff-3 {
  bottom: 0;
}

.button-3:hover a {
  color: #ffffff;
}