CodePen Embed - CSS only Select ( radio + checkbox ) No JS

<h1 class="animated fadeInDown"><i class="icon icon-arrow-down"></i></h1>

<h1 class="animated rotateIn">PURE CSS SELECT</h1>
<p>1. Normal</p>
<div class="select animated zoomIn">
    <!-- You can toggle select (disabled) -->
    <input type="radio" name="option">
    <i class="toggle icon icon-arrow-down"></i>
    <i class="toggle icon icon-arrow-up"></i>
    <span class="placeholder">Choose...</span>
    <label class="option">
        <input type="radio" name="option">
        <span class="title animated fadeIn"><i class="icon icon-speedometer"></i>Speedometer</span>
    </label>
    <label class="option">
        <input type="radio" name="option">
        <span class="title animated fadeIn"><i class="icon icon-fire"></i>Fire</span>
    </label>
    <label class="option">
        <input type="radio" name="option" disabled>
        <span class="title animated fadeIn"><i class="icon icon-handbag"></i>Handbag</span>
    </label>
    <label class="option">
        <input type="radio" name="option">
        <span class="title animated fadeIn"><i class="icon icon-badge"></i>Badge</span>
    </label>
</div>
<br>
<br>
<p>2. Disabled</p>
<div class="select animated zoomIn">
    <!-- You can toggle select (disabled) -->
    <input type="radio" name="option" disabled>
    <i class="toggle icon icon-arrow-down"></i>
    <i class="toggle icon icon-arrow-up"></i>
    <span class="placeholder">Choose...</span>
    <label class="option">
        <input type="radio" name="option">
        <span class="title"><i class="icon icon-speedometer"></i>Speedometer</span>
    </label>
    <label class="option">
        <input type="radio" name="option">
        <span class="title"><i class="icon icon-fire"></i>Fire</span>
    </label>
    <label class="option">
        <input type="radio" name="option" disabled>
        <span class="title"><i class="icon icon-handbag"></i>Handbag</span>
    </label>
    <label class="option">
        <input type="radio" name="option">
        <span class="title"><i class="icon icon-badge"></i>Badge</span>
    </label>
</div>
<br>
<br>
<p>3. Toggle & Confirm</p>
<div class="select2 animated zoomIn">
    <!-- You can toggle select (disabled) -->
    <label>
        <input type="checkbox" name="placeholder">
        <i class="toggle icon icon-plus"></i>
        <i class="toggle icon icon-minus"></i>
        <span class="placeholder">Choose...</span>
        <label class="option">
            <input type="radio" name="option">
            <span class="title animated fadeIn"><i class="icon icon-speedometer"></i>Speedometer</span>
        </label>

        <label class="option">
            <input type="radio" name="option">
            <span class="title animated fadeIn"><i class="icon icon-fire"></i>Fire</span>
        </label>
        <label class="option">
            <input type="radio" name="option" disabled>
            <span class="title animated fadeIn"><i class="icon icon-handbag"></i>Handbag</span>
        </label>
        <label class="option">
            <input type="radio" name="option">
            <span class="title animated fadeIn"><i class="icon icon-badge"></i>Badge</span>
        </label>
    </label>
</div>
<br>
<br>
<br>

// Start | for demo
@import 'https://fonts.googleapis.com/css?family=Roboto:100,300';
@import 'https://cdnjs.cloudflare.com/ajax/libs/simple-line-icons/2.3.2/css/simple-line-icons.min.css';
@import 'https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css';
@import 'https://fonts.googleapis.com/css?family=Roboto+Mono:300,700';

body {
    width: 100%;
    min-height: 900px;
    margin: 3em auto;
    /* Permalink - use to edit and share this gradient: http://colorzilla.com/gradient-editor/#f7cac9+0,92a8d1+100 */
    background: rgb(247, 202, 201);
    /* Old browsers */
    background: -moz-linear-gradient(-45deg, rgba(247, 202, 201, 1) 0%, rgba(146, 168, 209, 1) 100%);
    /* FF3.6-15 */
    background: -webkit-linear-gradient(-45deg, rgba(247, 202, 201, 1) 0%, rgba(146, 168, 209, 1) 100%);
    /* Chrome10-25,Safari5.1-6 */
    background: linear-gradient(135deg, rgba(247, 202, 201, 1) 0%, rgba(146, 168, 209, 1) 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    /* IE6-9 fallback on horizontal gradient */
    
    font-family: 'Roboto Mono';
    letter-spacing: 1px;
}

h1 {
    i {
        position: relative;
        font-size: 70px;
    }
    text-align: center;
    color: #fff;
    font-weight: 600;
    font-size: 3em;
    letter-spacing: 0px;
    text-shadow: 1px 1px rgba(0,
    0,
    0,
    0.02),
    2px 2px rgba(0,
    0,
    0,
    0.02),
    3px 3px rgba(0,
    0,
    0,
    0.02),
    4px 4px rgba(0,
    0,
    0,
    0.02),
    5px 5px rgba(0,
    0,
    0,
    0.02),
    6px 6px rgba(0,
    0,
    0,
    0.02),
    7px 7px rgba(0,
    0,
    0,
    0.02);
}

p {
    text-align: center;
    color: #fff;
    font-size: 14px;
    margin-bottom: 2em;
    line-height: 30px;
    img {
        position: relative;
        top: 8px;
        right: 10px;
    }
} // End | for demo
// Pure css Select
.select {
    position: relative;
    overflow: hidden;
    display: block;
    margin: auto;
    width: 330px;
    height: 100%;
    border-bottom: 0px;
    border-radius: 3px;
    font-size: 12px;
    box-shadow: 0px 1em 2em -1.5em rgba(0, 0, 0, .5);
    >i.toggle {
        position: absolute;
        z-index: 4;
        right: 1.5em;
        top: 1.6em;
        color: #ccc
    }
    .title,
    .placeholder {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
        padding: 1.5em 2em;
        background: rgba(255, 255, 255, 1);
        border-top: 1px solid rgba(0, 0, 0, .05);
        cursor: pointer;
    }
    &>input {
        position: absolute;
        left: 0px;
        top: 0px;
        z-index: 1;
        width: 100%;
        height: 100%;
        display: block;
        opacity: 0;
        cursor: pointer;
        &:checked {
            ~i.toggle.icon-arrow-down {
                display: none;
            }
            ~i.toggle.icon-arrow-up {
                display: block;
            }
            div.options label.option .title {
                display: none!important;
            }
        }
        &:not(:checked) {
            z-index: 4;
            ~label.option {
                >span.title {
                    display: none;
                }
            }
            ~i.toggle.icon-arrow-up {
                display: none;
            }
            ~i.toggle.icon-arrow-down {
                display: block;
            }
        }
        &:disabled {
            cursor: no-drop;
        }
    }
    &>span.placeholder {
        position: relative;
        z-index: 0;
        display: inline-block;
        width: 100%;
        color: #999;
        border-top: 0px;
    }
    label.option {
        display: block;
        overflow: hidden;
        z-index: 1;
        width: 100%;
        transition: all 1s ease-out;
        span.title {
            position: relative;
            z-index: 2;
            transition: background .3s ease-out;
            i.icon {
                padding-right: 8px;
                color: rgba(146, 168, 209, 1);
            }
            &:hover {
                color: #fff;
                background: rgba(255, 255, 255, .3);
                box-shadow: inset 0px 1px 0px rgba(0, 0, 0, .1);
            }
        }
        input {
            display: none;
            &:checked~span.title {
                position: absolute;
                display: block;
                z-index: 3;
                top: 0px;
                font-size: 12px;
                background: #fff;
                border-top: 0px;
                box-shadow: none;
                color: inherit;
                width: 100%;
            }
            &:disabled {
                &~span.title {
                    background: #f9f9f9!important;
                    color: #aaa;
                    &:hover {
                        color: #aaa;
                        background: none;
                        cursor: no-drop;
                    }
                }
            }
        }
    }
} // Pure css select 2 TOGGLE
.select2 {
    position: relative;
    overflow: hidden;
    display: block;
    margin: auto;
    width: 330px;
    height: 100%;
    border-bottom: 0px;
    border-radius: 3px;
    font-size: 12px;
    box-shadow: 0px 1em 2em -1.5em rgba(0, 0, 0, .5);
    i.toggle {
        position: absolute;
        z-index: 4;
        right: 1.5em;
        top: 1.6em;
        color: #ccc
    }
    .title,
    .placeholder {
        position: relative;
        display: block;
        width: 100%;
        height: 100%;
        padding: 1.5em 2em;
        background: rgba(255, 255, 255, 1);
        border-top: 1px solid rgba(0, 0, 0, .05);
        cursor: pointer;
    }
    &>label>input {
        position: absolute;
        left: 0px;
        top: 0px;
        z-index: 2;
        width: 100%;
        height: 100%;
        display: block;
        opacity: 0;
        cursor: pointer;
        &:checked {
            z-index: 2;
            ~i.toggle.icon-plus {
                display: none;
            }
            ~i.toggle.icon-minus {
                display: block;
            }
        }
        &:not(:checked) {
            ~i.toggle.icon-minus {
                display: none;
            }
            ~i.toggle.icon-plus {
                display: block;
            }
            ~label.option input:not(:checked)~.title {
                display: none!important;
            }
        }
        &:disabled {
            cursor: no-drop;
        }
    }
    & label>span.placeholder {
        position: relative;
        z-index: 0;
        display: inline-block;
        width: 100%;
        color: #999;
        border-top: 0px;
    }
    label.option {
        display: block;
        overflow: hidden;
        z-index: 1;
        width: 100%;
        transition: all 1s ease-out;
        span.title {
            position: relative;
            z-index: 2;
            transition: background .3s ease-out;
            i.icon {
                padding-right: 8px;
                color: rgba(146, 168, 209, 1);
            }
            &:hover {
                color: #fff;
                background: rgba(146, 168, 209, .5);
                box-shadow: inset 0px 1px 0px rgba(0, 0, 0, .1);
            }
        }
        input {
            display: none;
            &:checked~span.title {
                position: absolute;
                display: block;
                z-index: 1;
                top: 0px;
                font-size: 12px;
                background: #fff;
                border-top: 0px;
                box-shadow: none;
                color: inherit;
                width: 100%;
            }
            &:disabled {
                &~span.title {
                    background: #f9f9f9!important;
                    color: #aaa;
                    &:hover {
                        color: #aaa;
                        background: none;
                        cursor: no-drop;
                    }
                }
            }
        }
    }
}

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// CSS only !!

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