html, body {
    height: 100%;
    margin: 0;
    min-height: 600px;
    min-width: 900px;
    padding: 0;
    width: 100%;
}

body {
    background-color: #fff;
    color: #333;
    font-family: "Open Sans",Arial,Verdana,sans-serif;
    font-size: 100%;
    font-style: normal;
    vertical-align: baseline;
}

div.wrapper_main{
    position: absolute;
    top:0;
    right: 0;
    left:0;
    bottom: 0;
    display: block;
	padding:200px;
}
div.wrapper_content{
    position: relative;
    display: block;
    top:10%;
    margin: 0 auto;
    width:400px;
    text-align: center

}
div.wrapper_content p.sub_text{
    font-weight: bolder;
    font-size: 100%;
    text-align: center;

}

input.button_start{
     background-color: #8cc526;
     border: 2px solid #8cc526;
     color: #fff;
     cursor: pointer;
     font-weight: bolder;
     padding: 10px 20px;
    font-size: 16px;

 }

input.button_end{
    display: none;
    background-color: #cc0000;
    border: 2px solid #cc0000;
    color: #fff;
    color: #fff;
    cursor: pointer;
    font-weight: bolder;
    font-size: 16px;
    padding: 10px 20px;

}

body.wait .button_start{
    display: none;
}
body.wait  input.button_end{
    display: inline;

}
span#left{
    position: relative;
    display: block;
    font-size: 0;
    font-weight: bold;
    margin: 0 auto;
    text-align: center;
    -webkit-transition: all 1s ease;
    -moz-transition: all 1s ease;
    -o-transition: all 1s ease;
    -ms-transition: all 1s ease;
}
body.wait span#left{
    font-size: 400%;
}