/***form 3**/

.form3 input[type="text"] {
  height: 30px;
  font-size: 10px;
  display: inline-block;
  font-weight: 100;
  border: none;
  outline: none;
  color: #555;
  padding: 3px;
  padding-right: 60px;
  width: 0px;
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  z-index: 3;
  transition: width .4s cubic-bezier(0.000, 0.795, 0.000, 1.000);
  cursor: pointer;
}

.form3 input[type="text"]:focus:hover {
}

.form3 input[type="text"]:focus {
  width: 100%;
  z-index: 1;
  cursor: text;
}
.form3 input[type="submit"] {

  height: 32px;
  width: 48px;
  display: inline-block;
  color:red;
  float: right;
  background: url("https://img.icons8.com/metro/1600/search.png") center center no-repeat;
  background-size:22px 22px;
  text-indent: -10000px;
  border: none;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 2;
  cursor: pointer;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity .4s ease;
}

.form3 input[type="submit"]:hover {
  opacity: 0.8;
}