*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#1f2937;
    color:white;
    font-family:Arial, Helvetica, sans-serif;

    display:flex;
    justify-content:center;
    align-items:center;

    height:100vh;
}

.container{
    text-align:center;
}

h1{
    margin-bottom:40px;
    font-size:3rem;
}

button{
    width:280px;
    margin:12px auto;
    padding:18px;

    display:block;

    border:none;
    border-radius:12px;

    background:#3b82f6;
    color:white;

    font-size:20px;

    cursor:pointer;
}

button:hover{
    background:#2563eb;
}

input{

    width:280px;
    padding:18px;

    margin-bottom:20px;

    border:none;

    border-radius:12px;

    font-size:20px;

    text-align:center;

}