body {
  background-image: url("https://img.freepik.com/premium-vector/dotted-grid-seamless-pattern-bullet-journal-black-point-texture-blue-dot-grid-notebook-paper-vector-illustration-white-background_192280-937.jpg?semt=ais_hybrid&w=740&q=80");
  background-size:200px,200px
}

h1 {
	display:inline-block;
  color: black;
  background-color:white;
  text-align: center;
  font-family: courier;
}

h2 {
  display: inline-block;
  color: white;
  background-color: black;
  font-family: courier;
}

h3 {
  display: inline-block;
  color: white;
  background-color: black;
  font-family: courier;
}


p {
  text-align: left;
  font-size: 15px;
  color: black;
  margin-left:15px;
  font-family: courier;
  word-wrap: break-word;
}

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}
.organisermain {
  display: grid;
  align-items:center;
  grid-template-columns: 350px 350px 350px 350px;
  background-color:transparent;
  padding: 3px;
}

.organiser{
  display: grid;
  align-items:center;
  grid-template-columns: auto auto auto;
  background-color:transparent;
  padding: 3px;
}
.organiser div {
  background-color: transparent;
  padding: 20px;
  font-size: 30px;
  text-align: center;
}

button{
	background-color: transparent;
	border-color:transparent;
}
button:hover{
	opacity: 80%;
}

a:hover{
	opacity: 80%;
}

.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted black;
  cursor: pointer;
}

.tooltiptext {
  visibility: hidden;
  width: 130px;
  background-color: black;
  color: #ffff;
  text-align: center;
  padding:5px;
  position: absolute;
  z-index: 1;
  font-family:courier;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
}