*{margin:0px; padding:0px}
body{font-size:14px; font-family: Tahoma, Verdana, sans-serif; background-color:#f7f7f7;}
.wrapper{width:100%; margin:0 auto}
.wrapper.login{min-height:100%; height:100vh;}
a{cursor:default;}
.login_logo{position:absolute; top:calc(15% - 50px); left:calc(50% - 50px); width:100px;}
.login_logo img{border:none; width:100px; /*filter: grayscale(100%); -webkit-filter: grayscale(100%);*/}