/* font-family: "Lucida Grande","Lucida Sans Unicode","Lucida Sans","DejaVu Sans","Bitstream Vera Sans","Liberation Sans",Verdana,"Verdana Ref",sans-serif; */
*{
  box-sizing: border-box;
}

body {
  font-family: Arial;
  /*padding-right: 200px;
	padding-left: 200px;*/
  margin: auto;
  /* width: 1100px; */
  width: 80%;
  max-width: 1100px;
  background: #999999;
  padding-top: 15px;
}

a:link {
  text-decoration: none;
}

a:visited {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

a:active {
  text-decoration: none;
}

/* Header/Blog Title */
.header {
	padding: 5px;
	text-align: center;
	/*background: #f4f6fb;*/
	background: white;
	color: #002b57;
}

.header h1 {
	font-size: 28px;
	font-family:Arial Narrow;
}

.header h2 {
	font-size: 20px;
	font-family:Arial Narrow;
}

.header p {
	font-size: 20px;
	font-family:Arial Narrow;
}


/* Left column for topics*/
.firstcolumn {
	max-width: 500px;
	display: table-cell;
	padding-left: 20px;
}

li {
margin:-15px 0px 18px 0px;
padding:0;
}

.spacecolumn {
	width: 20px;
	display: table-cell;
	border-left: 2px solid green;
}

/* Right column for topics*/
.secondcolumn {
	max-width: 600px;
	display: table-cell;
}

/* Single column*/
.singlecolumn {
	max-width: 1000px;
	padding-left: 40px;
	padding-right: 80px;
}

.title_card{
	background-color: #f4f6fb;
	max-width: 1100px;
	/*padding-left: 70px;
	padding-right: 30px;*/
	padding-top: 20px;
	padding-bottom: 20px;
	font-family:Arial;
	line-height:22px;
	font-size: 18px;
	text-align: center;
	color:#007399;
}

table {
  border-collapse: collapse;
  width: 100%;
  table-layout: fixed;
}

th, td {
  padding: 5px;
  text-align: left;
  border-bottom: 1px solid #ddd;
  border-top: 1px solid #ddd;
}

tr:hover {background-color: #d8e5f3;}

.card1 {
  background-color: #f4f6fb;
  max-width: 1100px;
  padding-left: 70px;
  padding-right: 30px;
  padding-top: 5px;
  padding-bottom: 5px;
  font-family:Arial, sans-serif;
  line-height:22px;
  font-size: 16px;
  text-align: center;
}

.card1 p{
	font-size: 16px;
	font-family:Arial, sans-serif;
}

.card1 h2{
	font-size: 21px;
	color:#663366;
	font-family:Arial;
	text-align: left;
	text-align: center;
}


/* Add a card effect for articles */
.card_for_important_date {
  padding: 20px;
  margin-top: 20px;
}


/* Clear floats after the columns */
.row::after {
	content: "";
	display: table;
	clear: both;
	width: auto;
}

/* Footer */
.footer {
  padding: 50px;
  text-align: center;
  background: #f4f6fb;
  margin-bottom: 20px;
}

.cfp_download_btn {
  background-color: #0088cc;
  /*background-color: #006699;*/
  border-radius: 6px;
  border: none;
  color: white;
  padding: 10px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 17px;
  cursor: pointer;
}

/* Darker background on mouse-over */
.cfp_download_btn:hover {
  background-color: #005580;
  /*background-color: #008ae6;*/
  transition-duration: 0.25s;
  transform: scale(1.06);
  /*border: 1px solid red;*/
}

.center {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 15px;
}

.vcenter {
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 480px) and (min-width: 320px) {

  .card1 {
    width: 100%;
    padding: 20px;
  }

  .title_card {
    padding: 5px;
  }

  .singlecolumn {
    width: 100%;
    padding: 0;
  }

  .firstcolumn {
    display: block;
    width: 100%;
    padding-left: 0;
  }

  .spacecolumn {
    display: none;
  }

  .secondcolumn {
    display: block;
    width: 100%;
  }

  .vcenter {
    display: block;
    justify-content: center;
    align-items: center;
  }

  .LogoUET{
    margin-left: 10%;
  }

  .LogoVNU {
    margin-left: 115%;
  }

  .LogoVin{
    margin-left: 68%;
  }

  .LogoOrl{
    margin-left: 80%;
	margin-bottom: 15%;
  }

  .LogoIEEE{
    margin-left: 35%;
  }

  .LogoTII {
    margin-left: 15%;
  }

  .Platinum {
    margin-left: 25%;
  }

  .Logowwrf {
    margin-left: 10%;
  }
}