.box.drop {
  background: #fff;
}

.dropbox {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  background: #007ee5;
  background: -webkit-gradient(linear, left top, left bottom, from(#168add),to(#007ee5));
  background: linear-gradient(to bottom, #168add 0%,#007ee5 100%);
  background: -o-linear-gradient(top, #168add 0%,#007ee5 100%);
  background: -webkit-linear-gradient(top, #168add 0%,#007ee5 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #168add), color-stop(100%, #007ee5));
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#FF168ADD', endColorstr='#FF007EE5', GradientType=0 );
  border: 1px solid #0c6ebe;
  color: white;
  margin: auto;
  height: 45px;
  width: 220px;
  font-size: 14px;
  display: inline-block;
  text-align: center;
  font-size: 13px;
  font-family: sans-serif;
  font-weight: 600;
  letter-spacing: .5px;
  overflow: visible;
  text-decoration: none;
  border-radius: 3px;
  padding: 16px 16px;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.dropbox:hover {
  background: #007ee5;
  background: -webkit-gradient(linear, left top, left bottom, from(#168eef),to(#007ee5));
  background: linear-gradient(to bottom, #168eef 0%,#007ee5 100%);
  background: -o-linear-gradient(top, #168eef 0%,#007ee5 100%);
  background: -webkit-linear-gradient(top, #168eef 0%,#007ee5 100%);
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #168eef), color-stop(100%, #007ee5));
  filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#FF168EEF', endColorstr='#FF007EE5', GradientType=0 );
}