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

html,
body {
    height: 100%;
    width: 100%;
    text-align: center;
    background-color: #030637;
    color: white;
    font-family: sans-serif;
}

ul.accordian {
    width: 80%;
    max-width: 600px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 5rem auto;
    list-style-type: none;
}

ul input[type='radio'] {
    display: none;
}

ul.accordian li {
    background-color: #24232a;
    padding: 1.6rem 2.1rem;
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

ul.accordian li::before {
    position: absolute;
    width: 5px;
    height: 100%;
    background-color: #56ffa9;
    content: "";
    top: 0;
    left: 0;
}

li label {
    display: flex;
    align-items: center;
    padding: 10px 0;
    color: #56ffa9;
    font-weight: bold;
    font-size: 1.4rem;
    position: relative;
}

li label::before {
    position: absolute;
    right: 0;
    content: "+";
    transition: all ease 0.5s;
}

li .content {
    display: grid;
    grid-template-rows: 0fr;
    transition: all ease 0.5s;
    text-align: left;
}

li .content>div {
    overflow: hidden;
}

li input[type='radio']:checked+label+.content {
    grid-template-rows: 1fr;
}

li input[type='radio']:checked+label::before {
    content: "+";
    transform: rotate(150deg);
}