.login-container{background:linear-gradient(135deg,#f5f7fa,#c3cfe2)}.login-card{max-width:420px;overflow:hidden}.login-header{background-color:#3a6de1;color:#fff}.login-header .logo{font-size:3rem}.login-header .logo i{box-shadow:0 .125rem .25rem rgba(0,0,0,.075);color:#3a6de1}.alert-danger{border-left:4px solid #f44336}