body {
  background-color: rgb(11,33,22);
}
.div_menu {  
  width:50%;
  margin-left: auto;
  margin-right: auto;
}
ul.ul_menu {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: black;
}
li.ul_menu {
  float: left;
}
li.ul_menu a {
  display: block;
  color: white;
  text-align: center;
  padding: 10px;
  text-decoration: none;
}
li.ul_menu a:hover {
  background-color: #222222;
}
a:link {
  color: blue;
  background-color: transparent;
  text-decoration: none;
}

a:visited {
  color: green;
  background-color: transparent;
  text-decoration: none;
}

a:hover {
  color: red;
  background-color: transparent;
  text-decoration: underline;
}
a:active {
  color: yellow;
  background-color: transparent;
  text-decoration: underline;
}
.common {
  /*background-color: black;*/
  color: PapayaWhip;
  padding: 5px;
  width:100%;
  margin-left: auto;
  margin-right: auto;
  font-family: verdana;
  font-size: 20px;
}
.common_list {
  /*background-color: black;*/
  color: PapayaWhip;
  padding: 5px;
  width:90%;
  margin-left: auto;
  margin-right: auto;
  font-family: verdana;
  font-size: 18px;
}
.common_img {
  float: right;
  margin-left: auto;
  margin-right: auto;
  height: auto;
  width: 25%;
  padding: 10px;
}
.additional_img {
  float: left;
  margin-left: auto;
  margin-right: auto;
  width: 25%;
  padding: 10px;
}
.section_div {
  background-color: black;
  padding: 5px;
  margin-left: auto;
  margin-right: auto;
  width:50%;
}
.div_footer {
  background-color: black;
  padding: 5px;
  margin-left: auto;
  margin-right: auto;
  width:50%;
}
.p_footer {
  /*background-color: black;*/
  color: PapayaWhip;
  padding: 5px;
  width:100%;
  margin-left: auto;
  margin-right: auto;
  font-family: verdana;
  font-size: 10px;
}