:root{
    --bcg-color:  linear-gradient(45deg,#0a0a0a, #3a4452);
    --shadow:  0px 3px 15px black;
    --text-color: white;
    --radius: 2vh;
    --border: 1px solid black;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: sans-serif;
    color:var(--text-color);
}

body{
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bcg-color)
}
.box{
   
    width: 500px;
    background: transparent;
    border-radius: var(--radius);
    padding: 30px;
    border: var(--border);
    box-shadow: var(--shadow);

}
.qr-header h1{
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
}
.qr-header input{
    width:100%;
    margin-bottom: 20px;
}
.qr-header input, select{
    padding: 8px;
    border-radius: 1vh;
    font-size: 20px;
    border:var(--border);
    box-shadow: var(--shadow);
    background-color: transparent;
}
.qr-header label{
    margin-top: 10px;
    font-size: 20px;
}
.qr-header div{
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}
.qr-footer {
    margin-top: 20px;
    display: flex;
    justify-content: center;

}
.qr-footer a{
    background-color: transparent;
    text-decoration: none;
    border: var(--border);
    box-shadow: var(--shadow);
    padding: 20px 40px;
    border-radius: 1vh;
    font-size: 20px;
    font-weight:lighter;
    margin-inline: 5px;
}
.qr-footer a:hover{
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.25);
}
.qr-body{
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.qr-body img{
    max-width: 100%;
    max-height: 100%;
    padding: 10px;
    background: transparent;
    border-radius: var(--radius);
    border: var(--border);
    box-shadow:var(--shadow);
}
@media screen and (max-width:520px){
    .box{
        width: 80%;
    }
    .qr-footer a{
        padding:12px 25px;
        font-size: 15px;
    }
    .qr-header input, select{
        padding: 5px;
        font-size: 15px;
    }
    .qr-header label{
        margin-top: 8px;
        font-size: 15px;
    }
}