*, *:after, *:before {
  box-sizing: border-box;
}

body {
  margin: 0;
}

section {
  /* background: #eceff1; */
  /* width: 3vw; */
  /* padding: 50px; */
  /* min-height: 200px; */
  height: 35vh;
}

.btn-float {
  width: 40px;
  height: 40px;
  line-height: 40px;
  display: inline-block;
  border: none;
  font-size: 18px;
  color: #fff;
  text-align: center;
  position: relative;
  -webkit-transition: 0.3s;
  transition: 0.3s;
  border-radius: 0.25vw;
  cursor: pointer;
  box-shadow: 1px 2px 5px 2px rgba(0, 0, 0, 0.11);
}
/* .btn-float:hover {
  text-decoration: none;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.15), 0 4px 15px rgba(0, 0, 0, 0.13);
} */
.btn-float:active, .btn-float:focus {
  outline: none;
}
.btn-float + .btn-float {
  margin-left: 5px;
}

.yellow {
  background: #ffa000;
}

.blue {
  background: #40c4ff;
}

.green {
  background: #00e676;
}

.purple {
  background: #8e24aa;
}

.pink {
  background: #e91e63;
}

.white{
	background: #ffffff;
}


.icon-bars {
  background: #fff;
  height: 1px;
  width: 22px;
  margin: auto;
  display: block;
  position: relative;
  -moz-transition: 0.3s 0.3s;
  -o-transition: 0.3s 0.3s;
  -webkit-transition: 0.3s;
  -webkit-transition-delay: 0.3s;
  -webkit-transition: 0.3s 0.3s;
          transition: 0.3s 0.3s;
}
.icon-bars:after {
  content: '';
  position: absolute;
  height: 22px;
  width: 1px;
  background: #fff;
  top: -10px;
}

.float-btn-group {
  position: relative;
  float: right;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.float-btn-group .btn-triger {
  z-index: 15;
  float: left;
}
.float-btn-group .btn-list {
  position: absolute;
  right: 0;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.float-btn-group .btn-list li {
  display: inline-block;
}
.float-btn-group.open .icon-bars {
  -ms-transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
  transform: rotate(45deg);
}


/* .model-2 {
  background: #b0bec5;
} */
.model-2 .float-btn-group {
  float: left;
  padding-top:25vh ;
}
.model-2 .float-btn-group .icon-bars {
  -webkit-transition: 0.3s;
  transition: 0.3s;
}
.model-2 .float-btn-group .btn-list .btn-float {
  position: absolute;
  right: 0;
  top: 0;
  opacity: 0;
  -ms-transform: scale(0, 0);
  -webkit-transform: scale(0, 0);
  transform: scale(0, 0);
}
.model-2 .float-btn-group .btn-list .btn-float:nth-child(1) {
  -moz-transition: 0.2s 0.3s;
  -o-transition: 0.2s 0.3s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.3s;
  -webkit-transition: 0.2s 0.3s;
          transition: 0.2s 0.3s;
}
.model-2 .float-btn-group .btn-list .btn-float:nth-child(2) {
  -moz-transition: 0.2s 0.5s;
  -o-transition: 0.2s 0.5s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.5s;
  -webkit-transition: 0.2s 0.5s;
          transition: 0.2s 0.5s;
}
.model-2 .float-btn-group .btn-list .btn-float:nth-child(3) {
  -moz-transition: 0.2s 0.7s;
  -o-transition: 0.2s 0.7s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.7s;
  -webkit-transition: 0.2s 0.7s;
          transition: 0.2s 0.7s;
}
/* .model-2 .float-btn-group .btn-list .btn-float:nth-child(4) {
  -moz-transition: 0.2s 0.92s;
  -o-transition: 0.2s 0.92s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.92s;
  -webkit-transition: 0.2s 0.92s;
          transition: 0.2s 0.92s;
} */
.model-2 .float-btn-group.open .btn-list .btn-float {
  opacity: 1;
  -ms-transform: scale(0.9, 0.9);
  -webkit-transform: scale(0.9, 0.9);
  transform: scale(0.9, 0.9);
}
.model-2 .float-btn-group.open .btn-list .btn-float:nth-child(1) {
  /* top: -220px; */
  top: -135px;
  -moz-transition: 0.2s 0.9s;
  -o-transition: 0.2s 0.9s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.9s;
  -webkit-transition: 0.2s 0.9s;
          transition: 0.2s 0.9s;
}
.model-2 .float-btn-group.open .btn-list .btn-float:nth-child(2) {
  /* top: -165px; */
  top: -90px;
  -moz-transition: 0.2s 0.7s;
  -o-transition: 0.2s 0.7s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.7s;
  -webkit-transition: 0.2s 0.7s;
          transition: 0.2s 0.7s;
}
.model-2 .float-btn-group.open .btn-list .btn-float:nth-child(3) {
  /* top: -110px; */
  top: -45px;
  -moz-transition: 0.2s 0.5s;
  -o-transition: 0.2s 0.5s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.5s;
  -webkit-transition: 0.2s 0.5s;
          transition: 0.2s 0.5s;
}
/* .model-2 .float-btn-group.open .btn-list .btn-float:nth-child(4) {
  top: -55px;
  -moz-transition: 0.2s 0.3s;
  -o-transition: 0.2s 0.3s;
  -webkit-transition: 0.2s;
  -webkit-transition-delay: 0.3s;
  -webkit-transition: 0.2s 0.3s;
          transition: 0.2s 0.3s;
} */