@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}
body{
    height: 100vh;
    width: 100%;
    background: #0984e3;
    display: flex;
    align-items: center;
    justify-content: center;
}
.box{
    max-width: 400px;
    width: 100%;
}
.box h1{
    color: #fff;
    font-size: 80px;
    margin: 0 0 5px 0px;
    padding: 0 0 0 100px;
    transition: all 0.3s ease;

}
.box h1:hover{
    color: burlywood;
}
.box .search-box{
    position: relative;
    height: 50px;
    max-width: 50px;
    margin: auto;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.25);
    border-radius: 25px;
    transition: all 0.3s ease;
}
#check:checked ~ .search-box{
    max-width: 380px;
}
.search-box input{
    position: absolute;
    height: 100%;
    width: 100%;
    border-radius: 25px;
    background: #fff;
    outline: none;
    border: none;
    padding-left: 20px;
    font-size: 18px;
}
.search-box .icon{
    position: absolute;
    right: -2px;
    top: 0;
    width: 50px;
    border-radius: 25px;
    background: #fff;
    height: 100%;
    text-align: center;
    line-height: 50px;
    color: #0984e3;
}
#check:checked ~ .search-box .icon{
    background: #0984e3;
    color: #fff;
    border-radius: 0 25px 25px 0;
}
#check{
    display: none;
}