div.btn *,
div.btn *:before,
div.btn *:after {
   transition: 0.5s ease-in-out;
}
 

div.btn *:before,
div.btn *:after {
  z-index: -1;
}

 
div.btn a {
  text-decoration: none;
  line-height: 60px;
  color:#333; font-size:1.2em; border-radius:5px
}

 
 
[class^=btn-] {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  height: 60px;
  max-width: 200px;
  margin: 0 auto;
  text-transform: uppercase;
  border: 1px solid currentColor;
}

.btn-0 {
  color: #9a5556;
}
.btn-0:before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: #522122;
  transform: translateX(-100%);
}
.btn-0:hover {
  color: #e1cdcd;
}
.btn-0:hover:before {
  transform: translateX(0);
}

.btn-1 {
  color: #2c518c;
}
.btn-1:before {
  content: "";
  position: absolute;
  top: 0;
  right: -50px;
  bottom: 0;
  left: 0;
  border-right: 50px solid transparent;
  border-bottom: 80px solid #041e48;
  transform: translateX(-100%);
}
.btn-1:hover {
  color: #c1ccdd;
}
.btn-1:hover:before {
  transform: translateX(0);
}

.btn-1-2 {
  color: #6561d0;
}
.btn-1-2:before, .btn-1-2:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-bottom: 80px solid #2c2978;
}
.btn-1-2:before {
  right: -50px;
  border-right: 50px solid transparent;
  transform: translateX(-100%);
}
.btn-1-2:after {
  left: -50px;
  border-left: 50px solid transparent;
  transform: translateX(100%);
}
.btn-1-2:hover {
  color: #d2d1f1;
}
.btn-1-2:hover:before {
  transform: translateX(-40%);
}
.btn-1-2:hover:after {
  transform: translateX(40%);
}

.btn-2 {
  color: #39ab8b;
}
.btn-2:before, .btn-2:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.btn-2:before {
  right: -50px;
  border-right: 50px solid transparent;
  border-bottom: 80px solid #94ce21;
  transform: translateX(-100%);
}
.btn-2:after {
  left: -50px;
  border-left: 50px solid transparent;
  border-top: 80px solid #94ce21;
  transform: translateX(100%);
}
.btn-2:hover {
  color: #fff;
}
.btn-2:hover:before {
  transform: translateX(-49%);
}
.btn-2:hover:after {
  transform: translateX(49%);
}

.btn-3:before, .btn-3:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  border-top: 40px solid #271f0c;
  border-bottom: 40px solid #271f0c;
}
.btn-3:before {
  border-right: 40px solid transparent;
  transform: translateX(-100%);
}
.btn-3:after {
  border-left: 40px solid transparent;
  transform: translateX(100%);
}
.btn-3:hover {
  color: #d0ccc4;
}
.btn-3:hover:before {
  transform: translateX(-30%);
}
.btn-3:hover:after {
  transform: translateX(30%);
}

.btn-4 {
  color: #bebc98;
}
.btn-4:before, .btn-4:after,
.btn-4 span:before,
.btn-4 span:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: #6b6a50;
}
.btn-4:before {
  transform: translate(-100%, -100%);
}
.btn-4:after {
  transform: translate(-100%, 100%);
}
.btn-4 span:before {
  transform: translate(100%, -100%);
}
.btn-4 span:after {
  transform: translate(100%, 100%);
}
.btn-4:hover {
  color: #ecebe1;
}
.btn-4:hover:before {
  transform: translate(-50%, -50%);
}
.btn-4:hover:after {
  transform: translate(-50%, 50%);
}
.btn-4:hover span:before {
  transform: translate(50%, -50%);
}
.btn-4:hover span:after {
  transform: translate(50%, 50%);
}

.btn-5 {
  color: #c84b4b;
}
.btn-5:after {
  content: "";
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent #721a1a transparent transparent;
  position: absolute;
  top: 0;
  right: 0;
}
.btn-5:before {
  content: "";
  width: 0;
  height: 0;
  -webkit-transform: rotate(360deg);
  border-style: solid;
  border-width: 0 0 0 0;
  border-color: transparent transparent transparent #721a1a;
  position: absolute;
  bottom: 0;
  left: 0;
}
.btn-5:before, .btn-5:after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border: 0 solid;
  transform: rotate(360deg);
}
.btn-5:before {
  bottom: 0;
  left: 0;
  border-color: transparent transparent transparent #721a1a;
}
.btn-5:after {
  top: 0;
  right: 0;
  border-color: transparent #721a1a transparent transparent;
}
.btn-5:hover {
  color: #efcaca;
}
.btn-5:hover:before, .btn-5:hover:after {
  border-width: 80px 262.5px;
}

.btn-6 {
  color: #9ba26f;
}
.btn-6 span {
  position: absolute;
  display: block;
  width: 0;
  height: 0;
  border-radius: 50%;
  background-color: #525734;
  transition: width 0.4s ease-in-out, height 0.4s ease-in-out;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.btn-6:hover {
  color: #e2e4d5;
}
.btn-6:hover span {
  width: 225%;
  height: 562.5px;
}
.btn-6:active {
  background-color: #899156;
}

.btn-7 {
  color: #37be43;
}
.btn-7:before, .btn-7:after,
.btn-7 span:before,
.btn-7 span:after {
  content: "";
  position: absolute;
  top: 0;
  width: 25.25%;
  height: 0;
  background-color: #0c6b14;
}
.btn-7:before {
  left: 0;
}
.btn-7:after {
  left: 50%;
}
.btn-7 span:before, .btn-7 span:after {
  top: auto;
  bottom: 0;
}
.btn-7 span:before {
  left: 25%;
}
.btn-7 span:after {
  left: 75%;
}
.btn-7:hover {
  color: #c4ecc8;
}
.btn-7:hover:before, .btn-7:hover:after,
.btn-7:hover span:before,
.btn-7:hover span:after {
  height: 80px;
}

.btn-8 {
  color: #52af3c;
}
.btn-8:before, .btn-8:after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: #1f610f;
}
.btn-8:before {
  transform: translateY(-100%);
}
.btn-8:after {
  transform: translateY(100%);
}
.btn-8:hover {
  color: #cce8c6;
}
.btn-8:hover:before {
  transform: translateY(-50%);
}
.btn-8:hover:after {
  transform: translateY(50%);
}

.btn-9 {
  color: #46c647;
}
.btn-9:before, .btn-9:after,
.btn-9 span:before,
.btn-9 span:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 0;
  background-color: rgba(22, 113, 23, 0.25);
  transition: 0.4s ease-in-out;
}
.btn-9:after,
.btn-9 span:before {
  top: auto;
  bottom: 0;
}
.btn-9 span:before,
.btn-9 span:after {
  transition-delay: 0.4s;
}
.btn-9:hover {
  color: #c9eec9;
}
.btn-9:hover:before, .btn-9:hover:after,
.btn-9:hover span:before,
.btn-9:hover span:after {
  height: 80px;
}
.btn-9:active {
  background-color: #25bc26;
}

.btn-10 {
  color: #b42a9b;
}
.btn-10:before, .btn-10:after,
.btn-10 span:before,
.btn-10 span:after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 80px;
  background-color: rgba(100, 2, 82, 0.25);
  transition: 0.4s;
}
.btn-10:after,
.btn-10 span:before {
  left: auto;
  right: 0;
}
.btn-10 span:before,
.btn-10 span:after {
  transition-delay: 0.4s;
}
.btn-10:hover {
  color: #e9c0e2;
}
.btn-10:hover:before, .btn-10:hover:after,
.btn-10:hover span:before,
.btn-10:hover span:after {
  width: 250px;
}
.btn-10:active {
  background-color: #a70489;
}

@-webkit-keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}

@keyframes criss-cross-left {
  0% {
    left: -20px;
  }
  50% {
    left: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    left: 50%;
    width: 375px;
    height: 375px;
  }
}
@-webkit-keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}
@keyframes criss-cross-right {
  0% {
    right: -20px;
  }
  50% {
    right: 50%;
    width: 20px;
    height: 20px;
  }
  100% {
    right: 50%;
    width: 375px;
    height: 375px;
  }
}
.btn-11 {
  position: relative;
  color: #6e6991;
}
.btn-11:before, .btn-11:after {
  position: absolute;
  top: 50%;
  content: "";
  width: 20px;
  height: 20px;
  background-color: #544f7e;
  border-radius: 50%;
}
.btn-11:before {
  left: -20px;
  transform: translate(-50%, -50%);
}
.btn-11:after {
  right: -20px;
  transform: translate(50%, -50%);
}
.btn-11:hover {
  color: #d4d3df;
}
.btn-11:hover:before {
  -webkit-animation: criss-cross-left 0.8s both;
          animation: criss-cross-left 0.8s both;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
}
.btn-11:hover:after {
  -webkit-animation: criss-cross-right 0.8s both;
          animation: criss-cross-right 0.8s both;
  -webkit-animation-direction: alternate;
          animation-direction: alternate;
}


 @media all and (max-width:900px) {

   div.btn a { line-height: 53px; }
  [class^=btn-] { height: 53px; }

}