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

.block {
display:block;
margin-bottom:1.5em
}

.inline {
display:inline
}

.inline-block {
display:inline-block
}

.left {
float:right
}

.right {
float:left
}

.center {
margin-left:auto;
margin-right:auto
}

.clear {
clear:both
}

br.clear {
clear:both;
margin:0;
padding:0;
border:0;
height:0;
line-height:1px;
font-size:1px
}

hr.clear {
visibility:hidden
}

.clearfix:after {
content:"\0020";
display:block;
height:0;
clear:both;
visibility:hidden;
overflow:hidden
}

.clearfix {
display:inline-table;
display:block
}

.offscreen {
position:absolute;
width:1px;
height:1px;
padding:0;
overflow:hidden;
clip:rect(0,0,0,0);
white-space:nowrap;
border:0
}

.hidden {
visibility:hidden
}

.none {
display:none
}

.todo {
opacity:.5
}

.todo:hover {
opacity:1
}

.blink {
text-decoration:blink
}