* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Palatino", "Garamond", "Baskerville", "Times New Roman", "Georgia", "Book Antiqua", serif;
  background-color: #e3f2fd;
}

/*    ---header---  */

header {
  width: 100%;
  height: auto;
  display: flex;
  background-color: #00796b;
  justify-content: center;
  position: fixed;
  top: 0;
  z-index: 1000;
}

.heading h1 {
  font-size: 40px;
  padding: 30px;
  color: #ffffff;
  /* display: flex; */
}
.heading p {
  text-align: center;
  margin-bottom: 20px;
  color: #fff;
}

.logo {
  width: 100px;
  margin: 10px 50px;
}

/*    ---Information about workshop---   */
#info-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 30px;
  /* border: 2px solid black; */
}
.workshop {
  background-color: #ffffff;
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  /* top: 110px; */
  border-radius: 15px;
}
.workshop_info{
  position: relative;
  top: 120px;
}

#info-container .title {
  text-align: center;
  color: #00796b;
  margin: 30px;
}

#info-container .about {
  padding: 10px 20px;
}

/*      ---speakers information--- */

.speakers_info{
  position: relative;
  top: 120px;
}
.tile_container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  justify-content: space-around;
}

.tile{
  text-align: center;
  transition: transform 0.3s;
}

.tile img {
  width: 120px;
  height:120px;
  object-fit: cover;
  border-radius: 50%;
}

.tile a {
  text-decoration: none;
  text-align: center;
}

.tile h3,p{
  color: #000;
}
.tile:hover{
  transform: translateY(-10px);
}

/* schedule */

.schedule_info {
  /* border: 2px solid black; */
  padding:  30px 20px;
  /* margin-bottom: 140px; */
  position: relative;
  top: 120px;
}

.schedule_table {
  border-collapse: collapse;
  border-spacing: 1;
  text-indent: initial;
  overflow: hidden;
}
thead th{
  background-color: #00796b;
  text-align:left ;
  font-size: 20px;
  line-height: 30px;
  color: #ffffff;
}

tr {
  display: table-row;
  vertical-align: inherit;
  text-indent: initial;
  border-color: rgba(128, 128, 128, 0.829);
}
.schedule_table b {
  text-align: center;
}

tr:nth-child(odd) {
  background-color: rgba(224, 223, 223, 0.829);
}

.break_day{
  text-align: center;
  font-size: 20px;
  padding: 5px;
  
}
td {
  font-size: 17px;
  padding: 5px 0;
  color: #333333;
}

.organizers_info{
  /* border: 2px solid black; */
  position: relative;
  top: 120px;
}

footer {
  background-color: #00796b;
  color: #fff;
  text-align: center;
  padding: 1em 0;
  width: 100%;
  position: relative;
  top: 140px;
}

/* mobile view adjustments */

@media only screen and (max-width: 768px) {
  /* Header  */
  header {
    flex-direction: column;
    align-items: center;
    padding: 10px;
  }

  .heading h1 {
    font-size: 24px;
    padding: 15px;
    text-align: center;
  }

  .logo {
    width: 80px;
    margin: 5px 0;
  }

  /* Info container  */
  #info-container {
    margin-top: 185px;
    gap: 15px;
    padding: 10px;
  }

  .workshop {
    width: 90%;
    padding: 15px;
    top: 70px;
  }

  #info-container .title {
    font-size: 20px;
    margin: 15px;
  }

  #info-container .about {
    font-size: 16px;
    padding: 10px;
  }

  /* Speakers tile  */
  .tile_container {
    gap: 10px;
  }

  .tile img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
  }

  .tile h3 {
    font-size: 16px;
  }

  /* Schedule  */
  .schedule_info {
    padding: 15px 10px;
  }

  thead th {
    font-size: 16px;
    line-height: 25px;
  }

  td {
    font-size: 14px;
  }

  .break_day {
    font-size: 16px;
    padding: 3px;
  }

  .organizers_info{
    margin-top: 0px;
    position: relative;
  }
  /* Footer  */
  footer {
    font-size: 14px;
    padding: 10px;
  }
}