body {
  font-family: Verdana, Geneva, sans-serif;
  text-align: justify;
  background-color: #FBEEE6;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

#grid {
  width: 100%;
  display: grid;
  grid-column-gap: 10px;
  grid-template-columns: auto 1000px auto;
}

#logo {
  width: 200px;
  margin-right: -50px;
  border-width: 1px;
  border-color: black;
  margin-top: 20px;
  margin-bottom: 20px;
}

#c {
  overflow: auto;
  text-align: justify;
}

#title {

}

#alert {
  text-align: center;
  color: red;
  font-weight: bold;
}

#table.logoTable {
  margin-left: auto;
  margin-right: auto;
}

#photos>img {
  width: 100%;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

li {
  margin: 5px
}

td {
  text-align: center;
  padding-left: 20px;
  padding-right: 20px;
}

img.speaker {
  height: 300px;
}

#sponsors {
  display: flex;
  justify-content: center;
}

#sponsors>img {
  height: 80px;
  padding: 8px;
  /*background-color: white;*/
}

h2 {
  margin-top: 30px;
}

#iframe.gmap {
  border: none;
  overflow: hidden;
}

.schedule>tbody>tr>td {
  text-align: left;
}

.schedule>tbody>tr>td, .schedule>tbody>tr>th {
  padding-left: 5px;
}

.schedule>tbody>tr>td {
  border: 1px solid black;
  border-spacing: 0px;
}

.schedule {
  border-collapse: collapse;
  margin: 30px;
  width: 100%;
}

.schedule>tbody>tr {
  height: 50px;
}

.schedule>tbody>tr>td {
  width: 500px;
  background-color: #9CFED3;
}

.schedule .session {
  text-align: right;
}

.schedule .invited {
}

.schedule .break {
  font-weight: bold;
  text-align: center;
  background-color: #469365;
}

.emphasise {
  color: red;
  font-weight: bold;
}

.center {
  text-align: center;
}

.talk {
  position: relative;
  display: inline-block;
}
.abstract {
  width: 475px;
  opacity: 0;
  visibility: hidden;
  position: absolute;
  background-color: #dfffdf;
  padding: 0.5rem;
  box-shadow: 0 2px 5px 0 rgba(0, 0, 0, 0.26);
  text-align: justify;
}
.abstract:before {
  position: absolute;
  z-index: -1;
  content: "";
  right: calc(50% - 10px);
  top: -8px;
  border-style: solid;
  border-width: 0 10px 10px 10px;
  border-color: transparent transparent #dfffdf transparent;
  transition-duration: 0.3s;
  transition-property: transform;
}
.talk:hover .abstract {
  z-index: 10;
  opacity: 1;
  visibility: visible;
}