body{background-image:url(/splash-background.jpg);background-repeat:no-repeat;background-attachment:fixed}.card{background-color:rgba(20,28,46,0.85);backdrop-filter:blur(8px);border-color:#23314d;border-radius:12px;border-width:1px;color:#f8fafc;box-shadow:0 10px 25px rgba(0,0,0,0.5)}@media (max-width: 576px){.margin-top-flexible{margin-top:20px}}@media (min-width: 576px){.margin-top-flexible{margin-top:40px}}@media (min-width: 768px){.margin-top-flexible{margin-top:60px}}.splash-panel{opacity:0.7}.sign-in{opacity:0.9}.margin-top-10{margin-top:10px}.larger-text{font-size:1.25em}