.set_10_button {
  outline: none;
  border: none;
  display: block;
  cursor: pointer;
  width:auto;
  float:left;
  background-color: transparent;
  position: relative;
  border: 2px solid #999;
  float: left;
  font-weight: 400;
  line-height: 45px;
  margin-right: 2.5em;
  overflow: hidden;
  padding: 0 25px;
  position: relative;
  text-align: center;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.btn1 {
  overflow: hidden;
}
.btn1 span {
  color: #666;
  display: inline-block;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn1 .icon {
  position: absolute;
  left: -60px;
  top: 0;
  color: #fff;
  width:40px;
  float:left;
  background-color: #666666;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn1:hover .icon {
  left: 0px;
}
.btn1:hover span {
  color: #666666;
  margin-left: 50px;
}


/* button 2 */
.set_10_button2 {
  outline: none;
  border: none;
  display: block;
  cursor: pointer;
  width:auto;
  float:left;
  background-color: transparent;
  position: relative;
  border: 2px solid #f8c013;
  float: left;
  font-weight: 400;
  line-height: 45px;
  margin-right: 2.5em;
  overflow: hidden;
  padding: 0 25px;
  position: relative;
  text-align: center;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.btn2 {
  overflow: hidden;
}
.btn2 span {
  color: #666;
  display: inline-block;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn2 .icon {
  position: absolute;
  left: -60px;
  top: 0;
  color: #fff;
  width:40px;
  float:left;
  background-color: #ffd311;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn2:hover .icon {
  left: 0px;
}
.btn2:hover span {
  color: #666;
  margin-left: 50px;
}


/* button 3 */
.set_10_button3 {
  outline: none;
  border: none;
  display: block;
  cursor: pointer;
  width:auto;
  float:left;
  background-color: transparent;
  position: relative;
  border: 2px solid #f2625a;
  float: left;
  font-weight: 400;
  line-height: 45px;
  margin-right: 2.5em;
  overflow: hidden;
  padding: 0 25px;
  position: relative;
  text-align: center;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.btn3 {
  overflow: hidden;
}
.btn3 span {
  color: #666;
  display: inline-block;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn3 .icon {
  position: absolute;
  left: -60px;
  top: 0;
  color: #fff;
  width:40px;
  float:left;
  background-color: #f2625a;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn3:hover .icon {
  left: 0px;
}
.btn3:hover span {
  color: #666;
  margin-left: 50px;
}


/* button 4 */
.set_10_button4 {
  outline: none;
  border: none;
  display: block;
  cursor: pointer;
  width:auto;
  float:left;
  background-color: transparent;
  position: relative;
  border: 2px solid #56c5ff;
  float: left;
  font-weight: 400;
  line-height: 45px;
  margin-right: 2.5em;
  overflow: hidden;
  padding: 0 25px;
  position: relative;
  text-align: center;
  transition: all 0.5s ease;
  -webkit-transition: all 0.5s ease;
  -moz-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  -ms-transition: all 0.5s ease;
}
.btn4 {
  overflow: hidden;
}
.btn4 span {
  color: #666;
  display: inline-block;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn4 .icon {
  position: absolute;
  left: -60px;
  top: 0;
  color: #fff;
  width:40px;
  float:left;
  background-color: #56c5ff;
  transition: all 0.3s ease;
  -webkit-transition: all 0.3s ease;
  -moz-transition: all 0.3s ease;
  -o-transition: all 0.3s ease;
  -ms-transition: all 0.3s ease;
}
.btn4:hover .icon {
  left: 0px;
}
.btn4:hover span {
  color: #666;
  margin-left: 50px;
}