إضافة مربع البحث منبثق لمدونة بلوجر

.dialog-box button[type="submit"] {
    margin-top: 20px;
    padding: 0.8em 2em;
    background-color: #10b765;
    color: #fff;
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    -webkit-transition: all 0.3s;
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.dialog-box input[type="text"] {
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    box-sizing: border-box;
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.dialog-box h2 {
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}
.overlay {
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 height: 100%;
 top: 0;
 left: 0;
 background: rgba(55, 58, 71, 0.9);
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.overlay .overlay-close {
    width: 30px;
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.overlay .dialog-inner{
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 position: relative;
 top: 50%;
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 -webkit-transform: translateY(-50%);
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}

.overlay-mbl {
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.overlay-mbl.open {
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.dialog-box button[type="submit"]:hover,.overlay .overlay-close:hover {
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#trigger-overlay {
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}
#trigger-overlay {
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}
#trigger-overlay a {
    color: #fff;
 text-decoration:none;
}
#trigger-overlay:hover {
    background: #111;
}

<div class='overlay overlay-mbl'>
<div class='dialog-inner'>
<div class='dialog-box'>
<h2>أدخل كلمة للبحث</h2>
<form action='/search' class='search-popup-inner' method='get'>
<input name='q' onblur='if (this.value == &apos;&apos;) {this.value = &apos;أبحث في الموقع&apos;;}' onfocus='if (this.value == &apos;أبحث في الموقع&apos;) {this.value = &apos;&apos;;}' type='text' value='أبحث في الموقع'/>
<button type='submit'>بحث</button>
</form>
<div><button class='overlay-close' type='button'>X</button></div>
</div>
</div>
</div>

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