*{
    box-sizing: border-box;
}

body{
  margin:0;
    font-family: system-ui, -apple-system, Arial, sans-serif;

    background-image: url("bild.jpeg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;

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

    min-height:100vh;
    padding:20px;
}
.container{
    background:white;
    padding:40px 30px;
    border-radius:16px;
    box-shadow:0 20px 40px rgba(0,0,0,0.2);

    width:100%;
    max-width:400px;

    text-align:center;
}

h1{
    margin-top:0;
    margin-bottom:25px;
    font-size:28px;
}

.converter{
    margin-bottom:20px;
}

input{
    width:100%;
    padding:14px;
    font-size:18px;

    border-radius:10px;
    border:2px solid #e5e7eb;

    outline:none;
    transition:0.2s;
}

input:focus{
    border-color:#4f46e5;
}

.result{
    font-size:32px;
    font-weight:700;
    margin-top:10px;
}

.rate{
    margin-top:15px;
    color:#666;
    font-size:14px;
}

@media (max-width:480px){

    .container{
        padding:30px 20px;
    }

    h1{
        font-size:24px;
    }

    .result{
        font-size:28px;
    }

}