*{
margin: 0;
padding: 0
}

#container {
width: 150px;
margin: 0 auto;
position: relative;
}

#button1{
width: 150px;
height: 30px;
}

input[type=checkbox]{
visibility: hidden;
position: absolute;
}

label{
display: block;
width: 150px;
height: 30px;
margin: 20px auto;
background-color: red;
text-align: center;
border-radius: 0 4px 4px 0;
position: relative;
background-image: -webkit-linear-gradient(#991010, #830808);
background-image: -moz-linear-gradient(#991010, #830808);
background-image: -o-linear-gradient(#991010, #830808);
background-image: -ms-linear-gradient(#991010, #830808);
background-image: linear-gradient(#991010, #830808);
box-shadow: 0 1px 2px #727272;
cursor: pointer;
}

.light, .light2, .light3{
top:1px;
height: 1px;
position: absolute;
width: 100%;
background-color:black;
background: -webkit-linear-gradient(left top, rgba(255,255,255,0.0), rgba(255,255,255,0.6) 35%, rgba(255,255,255,0.6) 70%, rgba(255,255,255,0));
    background: -moz-linear-gradient(left top, rgba(255,255,255,0.0), rgba(255,255,255,0.6) 35%, rgba(255,255,255,0.6) 70%, rgba(255,255,255,0));
    background: -ms-linear-gradient(left top, rgba(255,255,255,0.0), rgba(255,255,255,0.6) 35%, rgba(255,255,255,0.6) 70%, rgba(255,255,255,0));
    background: -o-linear-gradient(left top, rgba(255,255,255,0.0), rgba(255,255,255,0.6) 35%, rgba(255,255,255,0.6) 70%, rgba(255,255,255,0));
    background: linear-gradient(left top, rgba(255,255,255,0.0), rgba(255,255,255,0.6) 35%, rgba(255,255,255,0.6) 70%, rgba(255,255,255,0));
}

.light3{
width: 150px;
left: -2px;
}

span{
line-height: 30px;
color: white;
font-size: 12px;
font-family: Verdana;
font-weight: bold;
}

.thanks{
position: absolute;
top: 0;
left: 151px;
visibility:hidden;
transition: all 0.5s ease-in-out;
-moz-transition: all 0.5s ease-in-out;
-webkit-transition: all 0.5s ease-in-out;
-o-transition: all 0.5s ease-in-out;
-ms-transition: all 0.5s ease-in-out;
}

#arrow{
background: black;
top: 0px;
left: -31px;
width: 30px;
position: absolute;
height: 30px;
border-radius: 4px 0 0 4px;
cursor: pointer;
background-image: -webkit-linear-gradient(#3d3d3d, #202020);
background-image: -moz-linear-gradient(#3d3d3d, #202020);
background-image: -o-linear-gradient(#3d3d3d, #202020);
background-image: -ms-linear-gradient(#3d3d3d, #202020);
background-image: linear-gradient(#3d3d3d, #202020);
box-shadow: 0 1px 2px #727272;
transition: all .4s  ease-in-out;
-moz-transition: all .4s ease-in-out;
-webkit-transition: all .4s  ease-in-out;
-o-transition: all .4s  ease-in-out;
-ms-transition: all .4s  ease-in-out;
}

#arrow .arrow-after{
content: "";
position: absolute;
top: 5px;
left: 13px;
width: 8px;
height: 10px;
background-color: white;
-moz-transform: rotate(-90deg);
-webkit-transform: rotate(-90deg);
-o-transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
transition: all .4s ease-in-out;
-moz-transition: all .4s  ease-in-out;
-webkit-transition: all .4s  ease-in-out;
-o-transition: all .4s  ease-in-out;
-ms-transition: all .4s  ease-in-out;
-moz-transform-origin: bottom;
-webkit-transform-origin: bottom;
-o-transform-origin: bottom;
-ms-transform-origin: bottom;
}

#arrow .arrow-before{
content:"";
position: absolute;
top: 15px;
left: 10px;
border-left: 7px solid transparent;
border-right: 7px solid transparent;
border-top: 8px solid white;
-moz-transform: rotate(-90deg);
-webkit-transform: rotate(-90deg);
-o-transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
transition: all .4s  ease-in-out;
-moz-transition: all .4s ease-in-out;
-webkit-transition: all .4s  ease-in-out;
-o-transition: all .4s  ease-in-out;
-ms-transition: all .4s  ease-in-out;
-moz-transform-origin: top;
-webkit-transform-origin: top;
-o-transform-origin: top;
-ms-transform-origin: top;
}

#button1:hover #arrow .arrow-before, #button1:hover #arrow  .arrow-after, input[type=checkbox]:checked~#arrow .arrow-before, input[type=checkbox]:checked~#arrow  .arrow-after{
-moz-transform: rotate(0deg);
-webkit-transform: rotate(0deg);
-o-transform: rotate(0deg);
-ms-transform: rotate(0deg);
left: 11px;
top:6px
}

#button1:hover #arrow .arrow-before, input[type=checkbox]:checked~#arrow .arrow-before{
left: 8px;
top: 16px;
}

#hover{
width: 70px;
height:0;
position: absolute;
top:30px;
left: 42px;
z-index: -1;
background-image: -moz-linear-gradient(#202020, #3d3d3d);
background-image: -webkit-linear-gradient(#202020, #3d3d3d);
background-image: -o-linear-gradient(#202020, #3d3d3d);
background-image: -ms-linear-gradient(#202020, #3d3d3d);
background-image: linear-gradient(#202020, #3d3d3d);
box-shadow: inset 0 1px 1px #1c1c1c, 0 1px 1px #6f6f6f;
border-radius: 0 0px 4px 4px;
transition: height 0.5s ease-in-out;
-moz-transition: height 0.5s ease-in-out;
-webkit-transition: height 0.5s ease-in-out;
-o-transition: height 0.5s ease-in-out;
-ms-transition: height 0.5s ease-in-out;
}

.light2{
top:19px;
width: 45px;
}

.opacity{
position: absolute;
left: 25px;
transition: all 0.5s ease-in-out;
-moz-transition: all 0.5s ease-in-out;
-webkit-transition: all 0.5s ease-in-out;
-o-transition: all 0.5s ease-in-out;
-ms-transition: all 0.5s ease-in-out;
}

#hover span{
position: absolute;
top: -8px;
left: 20px;
color: white;
}

#img .img-before{
border-radius: 20px;
content:"";
height: 5px;
position: absolute;
left: 5px;
top: 6px;
width: 2px;
background:black;
-webkit-transform: rotate(-45deg);
-moz-transform: rotate(-45deg);
-ms-transform: rotate(-45deg);
-o-transform: rotate(-45deg);
transform: rotate(-45deg);
}

#img .img-after{
border-radius: 20px;
content:"";
height: 7px;
left: 8px;
top:4px;
width: 2px;
position: absolute;
background-color: black;
-webkit-transform: rotate(45deg);
-moz-transform: rotate(45deg);
-ms-transform: rotate(45deg);
-o-transform: rotate(45deg);
transform: rotate(45deg);
}

#img{
border-radius: 100%;
height: 15px;
width: 15px;
position: absolute;
top: -20px;
left: 12px;
background-image: -webkit-radial-gradient(50% 50%, ellipse closest-side, #c7c7c7, #fff 90%);
background-image:    -moz-radial-gradient(50% 50%, ellipse closest-side, #c7c7c7, #fff 90%);
background-image:	-ms-radial-gradient(50% 50%, ellipse closest-side, #c7c7c7, #fff 90%);
background-image:	 -o-radial-gradient(50% 50%, ellipse closest-side, #c7c7c7, #fff 90%);
background-image:	    radial-gradient(50% 50%, ellipse closest-side, #c7c7c7, #fff 90%);
box-shadow: inset 0 1px 2px #575757;
transition: all 0.5s ease-in-out;
-moz-transition: all 0.5s ease-in-out;
-webkit-transition: all 0.5s ease-in-out;
-o-transition: all 0.5s ease-in-out;
-ms-transition: all 0.5s ease-in-out;
}

input[type=checkbox]:checked~#hover{
height:25px;
}

input[type=checkbox]:checked~#hover #img {
top: 5px;
}

input[type=checkbox]:checked~#label .opacity{
left: -100px;
visibility:hidden;
}

input[type=checkbox]:checked~#label .thanks{
visibility: visible;
left: 48px;
}