body {
  margin: 0;
  padding: 0;
}

header {
  background-color: #1A106A;
  color: #fff;
  padding: 10px;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

/* spilt the page */

.split {
  height: 100%;
  width: 50%;
  position: fixed;
  z-index: 1;
  top: 10%;
  overflow-x: hidden;
  padding-top: 20px;
}

.left {
  left: 0;
  background-color: #ffffff;
}

.right {
  right: 0;
  background-color: #ffffff;
}

.centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.title {
  text-align: center;
}

.container {
  text-align: center;
  padding: 20px;
  background-color: #fff;
  /*box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.1);*/
  border-radius: 8px;
}
label {
  font-weight: bold;
}
textarea {
  width: 300px;
  height: 100px;
  margin: 10px 0;
  padding: 5px;
  resize: none;
  border: 1px solid #ccc;
  border-radius: 5px;
}
button {
  padding: 8px 20px;
  margin: 10px;
  cursor: pointer;
  color: #000000;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}

.icon {
  padding: 4px 10px;
  margin: 5px;
  cursor: pointer;
  color: #000000;
  border: none;
  border-radius: 5px;
  transition: background-color 0.3s ease;
}
button:hover {
  background-color: #231a6f;
  color: #fff;
}
table {
  border-collapse: collapse;
  margin: 20px auto;
}
th, td {
  border: 1px solid #ddd;
  width: 30px;
  height: 30px;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  background-color: #f9f9f9;
}

.wrapper {
  width: 50vw;
  /* unfortunately width has to be set to some hard value */
  display: flex;
}

.slide {
  width: 0;
}

.content {
  width: 50vw;
  height: 100%;
  /* this is optional if you want every slide to have same height as the highest one */
}

/* Additional styling */


.wrapper {
  margin: 0 auto;
  background-color: white;
}



.content {
  padding: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s;
  max-height: 90vh;
  overflow-y: auto;
}

/*.content3,
.content5,
.content6 {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #E0E0E0;
}*/

.content2 {
  background-image: url(Rail.gif);
  background-size: 300px;
  background-position: center;
  background-repeat: no-repeat;
}

#i_1:checked~.wrapper .content1,
#i_2:checked~.wrapper .content2,
#i_3:checked~.wrapper .content3,
#i_4:checked~.wrapper .content4 {
  opacity: 1;
  pointer-events: auto;
}

label {
  color: #000000;
  transition-duration: .6s;
  cursor: pointer;
}

#i_1:checked~.controls label[for="i_1"],
#i_2:checked~.controls label[for="i_2"],
#i_3:checked~.controls label[for="i_3"],
#i_4:checked~.controls label[for="i_4"]{
  color: rgb(113, 239, 235);
}
.input-group,
.textarea-group {
display: flex;
align-items: center;
margin-bottom: 10px;
}

.input-group input,
.textarea-group textarea {
flex: 1;
margin-right: 10px;
}

.button-group button {
display: flex;
align-items: center;
}

.button-group button i {
margin-right: 5px;
}