body{
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.search-bar{
    display: flex;
    position: relative;
    justify-content: center;
    align-items: center;
    width: 30em;
}

#search{
    width: 1.2em;
    height: 1.2em;
    padding: 1em;
    font-size: 1.4em;
    border: 1px solid grey;
    border-radius: 50%;
    outline: none;
    transition: .7s;
}

#toggle{
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3.5em;
    height: 3.5em;
    font-size: 1.3em;
    background-color: #009dff;
    border-radius: 50%;
    transition: .7s;
    cursor: pointer;
}

#checkbox-toggle{
    display: none;
}

#toggle::before{
    content: '🔍';
}

#checkbox-toggle:checked ~ #toggle::before{                                 
    content: 'x';
}

#checkbox-toggle:checked ~ #toggle{
    background-color: transparent;
    transform: translateX(288%) rotate(1080deg);
}

#checkbox-toggle:checked ~ #search{
    width: 100%;
    border-radius: 1.8em;
}

#search:focus{
    box-shadow: 0 0 2px 2px #009dff;
}