.alert {
    position: relative;
    padding: .75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
}

.alert-dismissible {
    padding-right: 4rem;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-flutuante {
    position: absolute;
    z-index: 1030;
    left: 10%;
    width: 80%;
    top: 10%;
}

.close:not(:disabled):not(.disabled) {
    cursor: pointer;
}

.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: .75rem 1.25rem;
    color: inherit;
}

button.close {
    padding: 0;
    background-color: transparent;
    border: 0;
    -webkit-appearance: none;
    display: none;
}

.close {
    float: right;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #fff;
    opacity: .5;
}