/* button.btn.first Button 1
button.btn.second Button 2
button.btn.third Button 3
button.btn.fourth Button 4
button.btn.fifth Button 5
button.btn.sixth Button 6 */

/* Basic Button Style */
.btn {
  border: 2px solid #e74c3c;
  border-radius: 0.6em;
  cursor: pointer;
  align-self: center;
  line-height: 1;
  margin: 20px;
  padding: 1.2em 2.8em;
  text-decoration: none;
  text-align: center;
  text-transform: uppercase;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

.btn:hover,
.btn:focus {
  color: #fff;
  outline: 0;
}

/* BUTTON 1 */
.first {
  transition: box-shadow 300ms ease-in-out, color 300ms ease-in-out;
}
.first:hover {
  box-shadow: 0 0 40px 40px #e74c3c inset;
}

/* BUTTON 2 */
.second {
  border-radius: 3em;
  border-color: #1abc9c;
  color: #fff;
  background-image: linear-gradient(to right, 
    rgba(26, 188, 156, 0.6),
    rgba(26, 188, 156, 0.6) 5%,
    #1abc9c 5%, 
    #1abc9c 10%,
    rgba(26, 188, 156, 0.6) 10%,
    rgba(26, 188, 156, 0.6) 15%,
    #1abc9c 15%, 
    #1abc9c 20%,
    rgba(26, 188, 156, 0.6) 20%,
    rgba(26, 188, 156, 0.6) 25%,
    #1abc9c 25%, 
    #1abc9c 30%,
    rgba(26, 188, 156, 0.6) 30%,
    rgba(26, 188, 156, 0.6) 35%,
    #1abc9c 35%, 
    #1abc9c 40%,
    rgba(26, 188, 156, 0.6) 40%,
    rgba(26, 188, 156, 0.6) 45%,
    #1abc9c 45%, 
    #1abc9c 50%,
    rgba(26, 188, 156, 0.6) 50%,
    rgba(26, 188, 156, 0.6) 55%,
    #1abc9c 55%, 
    #1abc9c 60%,
    rgba(26, 188, 156, 0.6) 60%,
    rgba(26, 188, 156, 0.6) 65%,
    #1abc9c 65%, 
    #1abc9c 70%,
    rgba(26, 188, 156, 0.6) 70%,
    rgba(26, 188, 156, 0.6) 75%,
    #1abc9c 75%, 
    #1abc9c 80%,
    rgba(26, 188, 156, 0.6) 80%,
    rgba(26, 188, 156, 0.6) 85%,
    #1abc9c 85%, 
    #1abc9c 90%,
    rgba(26, 188, 156, 0.6) 90%,
    rgba(26, 188, 156, 0.6) 95%,
    #1abc9c 95%, 
    #1abc9c 100%);
  background-position: 0 0;
  background-size: 100%;
  transition: background 300ms ease-in-out;
}
.second:hover {
  background-position: 100px;
}

/* BUTTON 3 */
.third {
  border-color: #3498db;
  color: #fff;
  box-shadow: 0 0 40px 40px #3498db inset, 0 0 0 0 #3498db;
  transition: all 150ms ease-in-out;
}
.third:hover {
  box-shadow: 0 0 10px 0 #3498db inset, 0 0 10px 4px #3498db;
}

/* BUTTON 4 */
.fourth {
  border-color: #797154;
  background-image: linear-gradient(45deg, #f1c40f 50%, transparent 50%);
  background-position: 100%;
  background-size: 400%;
  transition: background 300ms ease-in-out;
}
.fourth:hover {
  	background-position: 0;
	color: #fff;
}

/* BUTTON 5 */
.fifth {
  border-color: #8e44ad;
  border-radius: 0;
  color: #8e44ad;
  position: relative;
  overflow: hidden;
  z-index: 1;
  transition: color 150ms ease-in-out;
}
.fifth:after {
  content: '';
  position: absolute;
  display: block;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 100%;
  background: #8e44ad;
  z-index: -1;
  transition: width 150ms ease-in-out;
}
.fifth:hover {
  color: #fff;
}
.fifth:hover:after {
  width: 110%;
}

/* BUTTON 6 */
.sixth {
  border-radius: 3em;
  border-color: #2ecc71;
  color: #2ecc71;
  background-image: linear-gradient(to bottom, transparent 50%, #2ecc71 50%);
  background-position: 0% 0%;
  background-size: 210%;
  transition: background 150ms ease-in-out, color 150ms ease-in-out;
}
.sixth:hover {
  color: #fff;
  background-position: 0 100%;
}