body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: transparent;
    margin: 0;
    font-family: "Kosugi Maru", sans-serif;
    font-weight: 400;
    font-style: normal;
    user-select: none;
}

.container {
    width: 90%;
    max-width: 500px;
    background-color: #ffffff;
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);

}

.header {
    background-color: #4EAEC6;
    color: white;
    font-size: 1.5em;
    padding: 10px 0;
    text-align: center;
    font-weight: bold;
    flex-shrink: 0;
}

.content {
    padding: 3px 20px;
    font-size: 1.2em;
    color: #333;
    overflow-y: auto;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 20px;
    align-content: flex-start;
}

.content-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: fit-content;
}

.content-item .switch {
    align-self: flex-end;
}

.content-item .range-label {
    align-self: flex-start;
}

.controls {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 15px 0;
    margin-top: auto;
    flex-shrink: 0;
}

.range {
    width: 240px;
    -webkit-appearance: none;
    height: 8px;
    border-radius: 5px;
    background: #4EAEC7;
    outline: none;
    -webkit-transition: .2s;
    transition: opacity .2s;
    margin-top: 9px;
}

.range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 30px;
    height: 30px;
    background: #FFF;
    border: #4EAEC7 solid 2px;
    cursor: pointer;
}

.range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #4EAEC7;
    cursor: pointer;
}

Button {
    background-color: #4EAEC6;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 1em;
}

Button:active {
    background-color: #3A8FB2;
}

.switch {
    position: relative;
    display: inline-block;
    width: 70px;
    height: 35px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 25px;
    background-color: #E2E2E2;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 35px;
    width: 35px;
    left: 0px;
    top: 50%;
    transform: translateY(-50%);
    background-color: white;
    border-radius: 50%;
    border: 2px solid #4EAEC6;
    box-sizing: border-box;
}


input:checked + .slider {
    background-color: #4EAEC6;
}

input:checked + .slider:before {
    -webkit-transform: translate(35px, -50%);
    -ms-transform: translate(35px, -50%);
    transform: translate(35px, -50%);
    border: 2px solid #4EAEC6;
}

button, input, textarea {
    font-family : inherit;
}