* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial;
  line-height: 1.2;
  background-color: #9ea1a1;
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.bayan {
  margin: 100px auto;
  max-width: 1200px;
}

.bayan li {
  list-style: none;
  width: 100%;
  margin-bottom: 10px;
  background-color: #e8e9e9;
  padding: 10px;
  border-radius: 10px;
  cursor: pointer;
}  

.bayan li label {
  position: relative;
  padding: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 500;
  cursor: pointer;
  color: rgb(0, 0, 20);
}

.bayan label + input[type='radio'] {
  display: none;
}

.bayan .content {
  padding: 0 10px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s;
  display: flex;
  justify-content: center;
  align-items: center;
}

.content img {
  max-width: 100%;
  max-height: 100%;
}

.bayan:hover label {
  color: rgb(0, 0, 165);
}

.bayan:hover span {
  color: rgb(0, 0, 165);
}

.bayan label + input[type='radio']:checked + .content {
  max-height: 400px;
}
input[type='radio']:checked + span {
  transform: rotate(45deg);
}

span {
  color: transparent;
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-block;
  font-size: 24px;
  font-weight: 600;
  transition: transform 0.5s ease-out;
}

input[type='radio']:checked + label > span {
  color: aqua;
  transform: rotate(45deg);
}

/*Mobile*/
@media screen and (max-width: 320px) {
  .bayan {
    max-width: 280px;
  }
  .bayan li label {
    font-size: 14px;
  }
}

/*Tablet*/
@media screen and (min-width: 321px) and (max-width: 820px){
  .bayan{
    max-width: 700px;
  }
  .bayan li label {
    font-size: 16px;
  }
}

/*Desktop*/
@media screen and(min-width: 1920px) {
  .bayan {
    max-width: 1200px;
  }
  .bayan li label {
    font-size: 18px;
  }
}