.svgbk {
  width: 210px;
  height: 75px;
  background-repeat: no-repeat;
  background-position: center top;
  background-image: url("img/logo_web.svg");
}
a.svg {
  position: relative;
  display: inline-block; 
}
a.svg:after {
  content: ""; 
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left:0;
}
@import "nib"

body
  background #e5e5e5
  
#wrap
  position: absolute
  top 0
  bottom 0
  left 0
  right 0
  margin auto