:active, :hover, :focus {
  outline: 0!important;
  outline-offset: 0;
}
::before,
::after {
  position: absolute;
  content: "";
}

.btn-holder {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  max-width: 1000px;
}
.btn {
  position: relative;
  display: inline-block;
  width: auto; height: auto;
  background-color: transparent;
  border: none;
  cursor: pointer;
}
  .btn span {         
    position: relative;
    display: inline-block;
    font-size: 14px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    top: 0; left: 0;
    width: 200px;
    padding: 15px 10px;
    transition: 0.3s;
  }







/*--- btn-3 ---*/
.btn-3 {
  padding: 5px;
}
.btn-3 span {
  color: rgb(255, 255, 255);
  background-color: #32455c;
}
.btn-3::before,
.btn-3::after {
  background: transparent;
  z-index: 2;
}

/* 11. hover-border-1 */
.btn.hover-border-1::before,
.btn.hover-border-1::after {
  width: 10%; height: 25%;
  transition: 0.35s;
}
.btn.hover-border-1::before {
  top: 0; left: 0;
  border-left: 1px solid rgb(28, 31, 30);
  border-top: 1px solid rgb(28, 31, 30);
}
.btn.hover-border-1::after {
  bottom: 0; right: 0;
  border-right: 1px solid rgb(28, 31, 30);
  border-bottom: 1px solid rgb(28, 31, 30);
}
.btn.hover-border-1:hover::before,
.btn.hover-border-1:hover::after {
  width: 99%;
  height: 98%;
}