.slide {
  background: -webkit-gradient(linear, left bottom, left top, from(#eef3f5), to(#fff));
  background-color: #eee;
  background: -moz-linear-gradient(bottom, #eef3f5, #fff);
  -webkit-transition: margin 0.25s ease-in-out;
  -moz-transition: margin 0.25s ease-in-out;
  -o-transition: margin 0.25s ease-in-out;
  border-top-left-radius: 20px;
  -moz-border-radius-topleft: 20px;
  -webkit-border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  -moz-border-radius-topright: 20px;
  -webkit-border-top-right-radius: 20px;
  border-bottom-right-radius: 20px;
  -moz-border-radius-bottomright: 20px;
  -webkit-border-bottom-right-radius: 20px;
  border-bottom-left-radius: 20px;
  -moz-border-radius-bottomleft: 20px;
  -webkit-border-bottom-left-radius: 20px;
}

.colleft {
  float: left;
  max-width: 48%;
  height: 600px;
  padding-left: 0;
}

.colright {
  float: right;
  max-width: 48%;
  height: 600px;
  padding: 0;
}