*{
    margin: 0;
    padding: 0;
    font-family: sans-serif;
    box-sizing: border-box;
}


body{
    background-image: url("https://c4.wallpaperflare.com/wallpaper/114/773/295/picture-museum-mona-lisa-mona-lisa-wallpaper-preview.jpg");
}

.container{ 
    width: 400px;
    padding: 25px 35px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: cream;
    border-radius: 15px;
}

.container p{
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 8px;
}

.container input {
    width: 100%;
    height: 50px;
    border: 1px solid #494eea;
    outline: 0;
    padding: 10px;
    margin: 10px 0 20px;
    border-radius: 15px;
}


.container button{
    width: 100%;
    height: 50px;
    background: #494eea;
    color: #fff;
    border: 0;
    outline: 0;
    border-radius: 5px;
    box-shadow: 0 10px 10px rgb(0,0,0,0.1);
    cursor: pointer;
    margin: 20px 0;
    font-weight: bold;
}

#imgbox{
    width: 200px;
    border-radius: 5px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 1s;
}

#imgbox img{
    width: 100%;
    padding: 10px;
}

#imgbox.show-img{
    max-height: 300px;
    margin: 10px auto;
    border: 1px solid #d1d1d1;
}

.error{
    animation: shake 0.1s linear 10;
}

@keyframes shake{
    0%{
        transform: translateX(0);
    }
    25%{
        transform: translateX(-2px);
    }
    50%{
        transform: translateX(0);
    }
    75%{
        transform: translateX(2px); 
    }
    100%{
        transform: translateX(0);
    }
    
}