.buttons-coll {
  width: 90%;
  margin: 25px auto;
  text-align: center;
}
button1 {
  margin: 20px;
}
.custom-btn {
  padding: 5px 15px;
  font-family: "Montserrat", sans-serif;
  font-weight: 800;
  background: transparent;
  outline: none !important;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}
/**** BTN No. 1 ****/
.btn-1 {
  border: 1.5px solid #000;
}
.btn-1:hover {
  color: #079a6a;
  border: 1.5px solid #079a6a;
}
.btn-1:active {
  top: 2px;
}
/**** BTN No. 3 ****/
.btn-3 {
  width: 130px;
  height: 40px;
  line-height: 42px;
  padding: 0;
  border: none;
}
.btn-3 span {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}
.btn-3:before,
.btn-3:after {
  position: absolute;
  content: "";
  right: 0;
  top: 0;
  background: #000;
  transition: all 0.3s ease;
}
.btn-3:before {
  height: 0%;
  width: 2px;
}
.btn-3:after {
  width: 0%;
  height: 2px;
}
.btn-3:hover:before {
  height: 100%;
}
.btn-3:hover:after {
  width: 100%;
}
.btn-3 span:before,
.btn-3 span:after {
  position: absolute;
  content: "";
  left: 0;
  bottom: 0;
  background: #000;
  transition: all 0.3s ease;
}
.btn-3 span:before {
  width: 2px;
  height: 0%;
}
.btn-3 span:after {
  width: 0%;
  height: 2px;
}
.btn-3 span:hover:before {
  height: 100%;
}
.btn-3 span:hover:after {
  width: 100%;
}