body{

margin:0;

background:#f4f7fc;

display:flex;

justify-content:center;

align-items:center;

height:100vh;

font-family:Segoe UI;

}

.login-box{

width:420px;

background:#fff;

padding:40px;

border-radius:15px;

box-shadow:0 15px 35px rgba(0,0,0,.1);

text-align:center;

}

.logo{

width:180px;

margin-bottom:20px;

}

h3{

margin-bottom:30px;

color:#0054A6;

}

.btn-primary{

background:#0054A6;

border:none;

height:45px;

}

.btn-primary:hover{

background:#E31E24;

}