* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;   
}
h3{
    font-family: 'Arial';
    font-size: 25pt;
    letter-spacing: 1px;
    width: 100%;
    background: #2980b9;
    padding: 15px;
    color: #FFF;
    text-align: center;
    text-transform: uppercase;
}


#container{
        background: #aeb4b9;
        width: 100%;
        height: 100vh;
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        justify-content: center;
        align-items: center;
    }

#container form{
    background: #FFF;
    width: 400px;
    padding: 10px;
}

#container form img{
    width: 40%;
    margin: 15px auto;
    text-align: center;
    display: block;
    
}

#container form input{
    width: 90%;
    padding: 5px;
    font-size: 16pt;
    display: block;
    margin: 10px auto;
    border-radius: 5px;
    text-align: center;
    
    }

#container form input[type="submit"]{
    background: #2980b9;
    padding: 10px;
    color: #FFF;
    letter-spacing: 1px;
    border: 0;
    cursor: pointer;

}

.alert{
  font-family: Arial, Helvetica, sans-serif;  
  font-size: 16px;
  text-align:  center;
}