.main_plugin_div {
  display: flex;
  flex-wrap: wrap;
}

.premium-img img {
  width: 100%;
  max-width: 290px;
  background: #f0f0f1;
  border-radius: 10px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
  margin-bottom: 10px;
  border: 1px dashed rgba(0, 0, 0, 0.2);
  padding: 10px;
  box-sizing: border-box;
}

.main_plugin_div form {
  width: calc(100% - 330px);
}

.main_plugin_div .plugin-sidebar {
  width: 100%;
  max-width: 300px;
  margin-left: 30px;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  padding: 15px 20px;
  box-sizing: border-box;
  border-radius: 10px;
}

.plugin-sidebar h2 {
  font-size: 22px;
  font-weight: bold;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding-bottom: 16px;
  color: #08519e;
}

.plugin-sidebar h3 {
  font-weight: bold;
  margin-top: 35px;
  margin-bottom: 5px;
}

.plugin-sidebar ul li {
  position: relative;
  padding: 4px 0 3px 18px;
}

.plugin-sidebar ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-right: 2px solid #000;
  border-top: 2px solid #000;
  transform: rotate(45deg);
}
.primium-btn {
  float: left;
  width: 100%;
  margin: 20px 0 30px;
}

.primium-btn a {
  background: #08519e;
  border-radius: 5px;
  padding: 10px 20px;
  font-size: 16px;
  line-height: 20px;
  color: #fff;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}

@media only screen and (max-width: 991px) {

  .main_plugin_div form,
  .main_plugin_div .plugin-sidebar {
    width: 100%;
  }
}