.alert {
    padding: 20px;
    background-color: #04AA6D;
    color: white;
    opacity: 1;
    transition: opacity 0.6s;
    margin-bottom: 15px;
    position: fixed;
    z-index: 9;
    width: 80%;
}

.closebtn {
    margin-left: 15px;
    color: white;
    font-weight: bold;
    float: right;
    font-size: 22px;
    line-height: 20px;
    cursor: pointer;
    transition: 0.3s;
}
.closebtn::before {
    content: "\2716";
}
.closebtn:hover {
    color: black;
}

.fade-in {
    opacity: 1;
    animation-name: fadeInOpacity;
    animation-iteration-count: 1;
    animation-timing-function: ease-in;
    animation-duration: 0.3s;
}
.fade-out {
    opacity: 0;
    animation-name: fadeOutOpacity;
    animation-iteration-count: 1;
    animation-timing-function: ease-in;
    animation-duration: 0.3s;
}

@keyframes fadeInOpacity {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}
@keyframes fadeOutOpacity {
    0% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}