.button {
  display: inline-block;
  position: relative;
  margin: 10px;
  padding: 0 20px;
  text-align: center;
  text-decoration: none;
  text-shadow: 1px 1px 1px rgba(255,255,255,.22);
  font: bold 12px/15px Arial, sans-serif;

  -webkit-border-radius: 30px;
  -moz-border-radius: 30px;
  border-radius: 30px;

  -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 1px 1px 1px rgba(255,255,255,.44);
  -moz-box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 1px 1px 1px rgba(255,255,255,.44);
  box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 1px 1px 1px rgba(255,255,255,.44);

  -webkit-transition: all 0.15s ease;
  -moz-transition: all 0.15s ease;
  -o-transition: all 0.15s ease;
  -ms-transition: all 0.15s ease;
  transition: all 0.15s ease;
}

  .button:hover {
    -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 0px 0px 2px rgba(0,0,0, .5);
    -moz-box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 0px 0px 2px rgba(0,0,0, .5);
    box-shadow: 1px 1px 1px rgba(0,0,0,.29), inset 0px 0px 2px rgba(0,0,0, .5);
  }

  .button:active {
    -webkit-box-shadow: inset 0px 0px 3px rgba(0,0,0, .8);
    -moz-box-shadow: inset 0px 0px 3px rgba(0,0,0, .8);
    box-shadow: inset 0px 0px 3px rgba(0,0,0, .8);
  }

/* Big Button Style */

.big {
  padding: 0 40px;
  padding-top: 10px;
  width: 300px;
  height: 100px;
 text-transform: uppercase;
  vertical-align: middle;
}

.big span {
  display: block;
  text-transform: none;
  font: italic normal 12px/18px Georgia, sans-serif;
  text-shadow: 1px 1px 1px rgba(255,255,255, .12);
}

/* Green Color */

.green {
  color: #3e5706;

  background: #a5cd4e; /* Old browsers */
  background: -moz-linear-gradient(top,  #a5cd4e 0%, #6b8f1a 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#a5cd4e), color-stop(100%,#6b8f1a)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  #a5cd4e 0%,#6b8f1a 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  #a5cd4e 0%,#6b8f1a 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  #a5cd4e 0%,#6b8f1a 100%); /* IE10+ */
  background: linear-gradient(top,  #a5cd4e 0%,#6b8f1a 100%); /* W3C */
}

/* Blue Color */

.blue {
  color: #19667d;

  background: #70c9e3; /* Old browsers */
  background: -moz-linear-gradient(top,  #70c9e3 0%, #39a0be 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#70c9e3), color-stop(100%,#39a0be)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  #70c9e3 0%,#39a0be 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  #70c9e3 0%,#39a0be 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  #70c9e3 0%,#39a0be 100%); /* IE10+ */
  background: linear-gradient(top,  #70c9e3 0%,#39a0be 100%); /* W3C */
}

/* Gray Color */

.gray {
  color: #515151;

  background: #d3d3d3; /* Old browsers */
  background: -moz-linear-gradient(top,  #d3d3d3 0%, #8a8a8a 100%); /* FF3.6+ */
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#d3d3d3), color-stop(100%,#8a8a8a)); /* Chrome,Safari4+ */
  background: -webkit-linear-gradient(top,  #d3d3d3 0%,#8a8a8a 100%); /* Chrome10+,Safari5.1+ */
  background: -o-linear-gradient(top,  #d3d3d3 0%,#8a8a8a 100%); /* Opera 11.10+ */
  background: -ms-linear-gradient(top,  #d3d3d3 0%,#8a8a8a 100%); /* IE10+ */
  background: linear-gradient(top,  #d3d3d3 0%,#8a8a8a 100%); /* W3C */
}
a:hover{text-decoration: none;}