#horiz_m .slidemenu ul li ul {
  visibility: collapse;
  border:1px solid #eee;
}

#horiz_m .slidemenu ul li ul li a:hover {
  visibility: visible !important;
}

#horiz_m .slidemenu li:hover ul{  
display: block;
}

#horiz_m .slidemenu ul li ul li a{ margin-right:-2px;}

.portfolio-one li { float:left;}
.portfolio-two li { float:left;}
.portfolio-three li { float:left;}
.portfolio-four li { float:left;}