.wrap-input-5 .input {
  width: 100%;
  box-sizing: border-box;
  letter-spacing: 1px;
  border: 0;
  padding: 5px 0 7px;
  border: 1px solid 
transparent;
  border-bottom-color: 
#ccc;
  transition: 0.4s;
  background-color: 
#f5f6fd;
  height: 36px;
}

.wrap-input-5 .input:focus {
  outline: none;
  padding: 5px 14px 7px;
  transition: 0.4s;
}

.wrap-input-5 {
  width: 80%;
  margin: 40px 3%;
  position: relative;
}

.wrap-input-5 .input ~ .focus-border {
  position: absolute;
  height: 36px;
  bottom: 0;
  left: 0;
  width: 0;
  transition: 0.4s;
}
.wrap-input-5 .input:focus ~ .focus-border {
  width: 100%;
  transition: 0.4s;
  border: 2px solid 
#6c5dd3;
}