.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

#searchBox {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 300px;
    height: 60px;
}

form {
    width: 100%;
}

#search{
    width: 250px;
    height: 30px;
    border: none;
    border-bottom: 1px solid #ffffff;
    background-color: rgba(255, 255,255, 0.05);
    outline: none;
    color: white;
    border-radius: 50px 0 0 50px;
    padding: 0px 0px 0px 70px;
    transition: 0.5s ease-in-out;
}

#search::placeholder{
    color: white;
}

#btn{
    position: absolute;
    left: 0;
    top: 10px;
    border: 2px solid transparent;
    border-color: white;
    outline: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgb( 240, 230, 140);
    transition: 0.5s ease-in-out;
}

#btn:hover{
    background-color: white;
    border-color: transparent;
}
   

#btn img{
    width: 20px;
    vertical-align: middle;
}