<h1>Radio Tab Toggles</h1>
<div class="radio-toggles">
    <input type="radio" id="option-1" name="radio-options">
    <label for="option-1">One-Time</label>
    <input type="radio" id="option-2" name="radio-options" checked>
    <label for="option-2">Recurring</label>
    <input type="radio" id="option-3" name="radio-options">
    <label for="option-3">Free</label>
    <div class="slide-item"></div>
</div>

body {
    border-top: 20px solid lightgrey;
    font-family: "Inter", "Helvetica", sans-serif;
    margin: 0;
    padding-top: 40px;
    text-align: center;
}
h1 {
    font-size: 2.8rem;
}

.radio-toggles {
    align-items: center;
    background: #eee;
    border: 1px solid lightgrey;
    border-radius: 9999px;
    display: flex;
    justify-content: center;
    margin: 20px auto;
    max-width: 400px;
    overflow: hidden;
    padding: 4px;
    position: relative;
}

label {
    cursor: pointer;
    padding: 10px 20px;
    text-align: center;
    width: 33.33%;
    z-index: 2;
}

.slide-item {
    background: white;
    border-radius: 9999px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
    height: calc(100% - 8px);
    left: calc(33.33% + 4px);
    position: absolute;
    width: calc(33.33% - 8px);
    transition: left .4s;
    z-index: 0;
}

input[type="radio"] {
    left: -9999px;
    position: absolute;
    z-index: -1;
}
input[type="radio"]:nth-of-type(1):checked ~ .slide-item {
    left: 4px;
}
input[type="radio"]:nth-of-type(3):checked ~ .slide-item {
    left: calc(66.66% + 4px);
}