.alert{
    position: relative;
    padding: 1.5rem 1rem;
    text-align: center;
    margin-bottom: 12px;
    border: 1px solid transparent;
    border-radius: 0.375rem;
    font-size: 1.25rem;
}
.alert-primary{
    color: #4a5568;
    background-color: #edf2f7;
    border-color: #e2e8f0;
}
.alert-secondary{
    color: #4a5568;
    background-color: #f7fafc;
    border-color: #edf2f7;
}
.alert-success{
    color: #276749;
    background-color: #f0fff4;
    border-color: #c6f6d5;
}
.alert-danger{
    color: #9b2c2c;
    background-color: #fff5f5;
    border-color: #fed7d7;
}
.alert-warning{
    color: #975a16;
    background-color: #fffff0;
    border-color: #feebc8;
}
.alert-info{
    color: #2a6b8a;
    background-color: #f0f9ff;
    border-color: #bee3f8;
}
.alert-light{
    color: #718096;
    background-color: #fafafa;
    border-color: #f5f5f5;
}
.alert-dark{
    color: #1a202c;
    background-color: #e2e8f0;
    border-color: #cbd5e0;
}
.alert .btn-close{
    position: absolute;
    top: 0;
    right: 0;
    padding: 1rem;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    opacity: 0.5;
}
.alert .btn-close:hover{
    opacity: 1;
}
.alert-fade{
    animation: alertFadeIn 0.3s ease;
}
@keyframes alertFadeIn {
    from {opacity:0;transform: translateY(-8px);}
    to {opacity:1;transform: translateY(0);}
}