a{
    text-decoration: none;
}
h1{
    text-align:center;
}

:root {
--bg-image: url('https://informatica-tescha.com/IX-Encuentro/fond.jpg');
}

body {
background-color: #1D1E22;
font-family: sans-serif;
display: flex;
}

.card {

text-align: ;
color: white;
display: flex;
align-items: ;
justify-content: ;

background-color: gray;
border-radius: 10px;
}

.bg-blur {
background-color: transparent;
}

.bg-blur::before {
content: '';
background-image: var(--bg-image);
background-size: cover;
height: 100%;
width: 100%;
position: absolute;
filter: blur(5px);
z-index: -1;
}