body {
}

/*-------------mensagem de alerta------------------*/
.alertcontainer {
    display: table;
    margin: 0 auto;
    left: 0;
    width: 100%;
    position: fixed;
    bottom: 15px;
}
.alert {
    padding: 20px;
    background-color: #f44336;
    color: white;
    opacity: 1;
    transition: opacity 0.6s;
    bottom: 30px;
    border: 2px solid black;
    border-radius: 10px;
    margin: 0 auto;
    /*width: 1024px;*/
}

    .alert.success {
        background-color: #4CAF50;
    }

    .alert.info {
        background-color: #2196F3;
    }

    .alert.warning {
        background-color: #ff9800;
    }

.closebtn {
    margin-left: 15px;
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
}

    .closebtn:hover {
        color: black;
    }