body{
     height: 100vh;
}

.container-login{
     display: flex;
     align-items: center;
     justify-content: center;
     width: 100%;
     height: 100%;
     background-image: url(/img/_sys_images/logos/bg-login.jpg);
     background-position: center;
     background-size: cover;
}

.subcontainer-login{
     background: rgba(0, 0, 0, .75);
     width: 100%;
     max-width: 800px;
     height: 100%;
     max-height: 500px;
     border-radius: 15px;
     box-shadow: 5px 5px 5px #000;
     display: flex;
     min-height: 350px;
     padding: 15px;
}

.container-logo-login{
     display: flex;
     align-items: center;
     justify-content: center;
     width: 100%;
     max-width: 50%;
     height: 100%;
     max-height: 100%;
     background-image: url(/img/_sys_images/logos/logo-vertical-7eb863.png);
     background-size: 70%;
     background-repeat: no-repeat;
     background-position: center;
     filter: drop-shadow(5px 5px 5px #000);
}

.container-formulario-login{
     display: flex;
     flex-direction: column;
     align-items: center;
     justify-content: center;
     width: 100%;
     height: 100%;
}

.form-login{
     display: flex;
     flex-direction: column;
     justify-content: center;
     align-items: center;
     width: 100%;
}

.msg-erro{
     color: #AAA;
     padding: 10px 5px;
     text-align: center;
}

.formulario-login-input-a{
     font-size: 1.1rem;
     padding: 5px 10px;
     margin-bottom: 10px;
     color: #666;
     text-align: center;
     border: none;
     border-radius: 8px;
     opacity: .75;
     width: 100%;
     max-width: 80%;
}

.btn-comum-a{
     width: 100%;
     max-width: 80%;
     font-size: 1.1rem;
}

.btn-comum-a:hover{
     background-image: linear-gradient(#CCC,#888);
}

@media only screen and (max-width: 800px){
     .subcontainer-login{
          max-width: min(80%,390px);
          max-height: min(60%,390px);
          flex-direction: column;
     }

     .container-logo-login {
          max-width: 100%;
          max-height: 30%;
          background-image: url(/img/_sys_images/logos/logo-horizontal-7eb863.png);
     }
}