<div class="title">Dropdown Menu Effects</div>

<div class="main">
    <input type="checkbox" id="drop-1" hidden>
    <label class="dropHeader dropHeader-1" for="drop-1">Click Me</label>
    <div class="list list-1">
    <div class="item">Option one</div>
    <div class="item">Option two</div>
    <div class="item">Option three</div>
    <div class="item">Option four</div>
    </div>
</div>


<div class="main">
    <input type="checkbox" id="drop-2" hidden>
    <label class="dropHeader dropHeader-2" for="drop-2">Click Me</label>
    <div class="list list-2">
    <div class="item">Option one</div>
    <div class="item">Option two</div>
    <div class="item">Option three</div>
    <div class="item">Option four</div>
    </div>
</div>

<div class="main">
    <input type="checkbox" id="drop-3" hidden>
    <label class="dropHeader dropHeader-3" for="drop-3">Click Me</label>
    <div class="list list-3">
    <div class="item">Option one</div>
    <div class="item">Option two</div>
    <div class="item">Option three</div>
    <div class="item">Option four</div>
    </div>
</div>

<div class="main">
    <input type="checkbox" id="drop-4" hidden>
    <label class="dropHeader dropHeader-4" for="drop-4">Click Me</label>
    <div class="list list-4">
    <div class="item">Option one</div>
    <div class="item">Option two</div>
    <div class="item">Option three</div>
    <div class="item">Option four</div>
    </div>
</div>

<div class="main">
    <input type="checkbox" id="drop-5" hidden>
    <label class="dropHeader dropHeader-5" for="drop-5">Click Me</label>
    <div class="list list-5">
    <div class="item">Option one</div>
    <div class="item">Option two</div>
    <div class="item">Option three</div>
    <div class="item">Option four</div>
    </div>
</div>
@import 'https://fonts.googleapis.com/css?family=Raleway:400,700';
* {
    box-sizing: border-box;
    color: #34495e;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    font-family: 'Raleway', sans-serif;
}
html, body {
    padding: 0px;
    margin: 0px;
    background-color: #2980b9;
    text-align: center;
}
.title {
    text-align: center;
    font-size: 44px;
    padding: 50px;
    color: #fff;
}
.main {
    display: inline-block;
    margin: 30px;
    position: relative;
    width: 150px;
    text-align: left;
}
label {
    width: 100%;
    position: absolute;
    line-height: 45px;
    top: 0px;
    left: 0px;
    background-color: #fff;
    padding-left: 20px;
    font-weight: 700;
    -webkit-transition: 0.04s ease-in-out;
    transition: 0.04s ease-in-out;
}
.list {
    width: 100%;
    position: absolute;
    z-index: 1;
    top: 45px;
    left: 0px;
    border-top: 1px solid #eee;
    visibility: hidden;
    opacity: 0;
    cursor: pointer;
    -webkit-transition: 0.2s ease-in-out;
    transition: 0.2s ease-in-out;
}
.item {
    width: 100%;
    line-height: 45px;
    padding-left: 20px;
    background-color: #fff;
    -webkit-transition: 0.2s ease-in-out;
    transition: 0.2s ease-in-out;
    font-weight: 400;
}
.item:hover {
    background-color: #eee;
}

/**********
***********/

#drop-1:checked~ .list-1 {
    visibility: visible;
    opacity: 2;
    z-index: 10;
}

/**********
***********/

#drop-2:checked~ .list-2 {
    visibility: visible;
    opacity: 2;
    z-index: 10;
    -webkit-transform: translateY(-5px);
    transform: translateY(-5px);
}
#drop-2:checked~ .dropHeader-2 {
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
}

/**********
***********/

.list-3 {
    -webkit-transform: translateY(20px);
    transform: translateY(20px);
    z-index: 10;
}
#drop-3:checked~ .list-3 {
    visibility: visible;
    opacity: 2;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
}

/**********
***********/

.list-4 {
    -webkit-transform: translateY(-20px);
    transform: translateY(-20px);
    z-index: 10;
}
#drop-4:checked~ .list-4 {
    visibility: visible;
    opacity: 2;
    -webkit-transform: translateY(0px);
    transform: translateY(0px);
}

/**********
***********/

.list-5 {
    -webkit-transform: translateX(-20px);
    transform: translateX(-20px);
    z-index: 10;
}
#drop-5:checked~ .list-5 {
    visibility: visible;
    opacity: 2;
}
#drop-5:checked~ .list-5 {
    -webkit-transform: translateX(0px);
    transform: translateX(0px);
}

External CSS

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External JavaScript

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