.rad {
  -moz-border-radius: 0 0 80px 0;
 -webkit-border-radius: 0 0 80px 0;
 -khtml-border-radius: 0 0 80px 0;
 border-radius: 0 0 80px 0;
 position: relative;
}

.trapezoid .content { 
 -moz-box-shadow: 0px 5px 20px #164034;
 -khtml-box-shadow: 0px 5px 20px #164034;
 -webkit-box-shadow: 0px 5px 20px #164034;
 box-shadow: 0px 5px 20px #164034;
}