/**
Ejemplo de alert:
<div class="r-alert success">
    <span class="r-alert-close">X</span>
    <span class="r-alert-text">
        Contenido del aviso
    </span>
</div>
*/

.r-alert {
    position: relative;
    top: 10px;
    left: 0;
    width: auto;
    height: auto;
    padding: 10px;
    margin: 10px;
    line-height: 1.8;
    border-radius: 5px;
    cursor: pointer;
    font-family: sans-serif;
    font-weight: 400;
}

.r-alert-checkbox {
    display: none;
}

.r-alert-checkbox:checked + .r-alert {
    display: none;
}

.r-alert-text {
    display: table;
    margin: 0 auto;
    text-align: center;
    font-size: 16px;
}

.r-alert-close {
    float: right;
    padding-top: 5px;
    font-size: 10px;
}

.r-box-alert.clear {
    clear: both;
}

.r-alert.info {
    background-color: #EEE;
    border: 1px solid #DDD;
    color: #999;
}

.r-alert.success {
    background-color: #EFE;
    border: 1px solid #DED;
    color: #9A9;
}

.r-alert.notice {
    background-color: #EFF;
    border: 1px solid #DEE;
    color: #9AA;
}

.r-alert.warning {
    background-color: #FDF7DF;
    border: 1px solid #FEEC6F;
    color: #C9971C;
}

.r-alert.error, .r-alert.danger {
    background-color: #FEE;
    border: 1px solid #EDD;
    color: #A66;
}