.alert-area {
    max-height: 100%;
    position: fixed;
    bottom: 5px;
    left: 20px;
    right: 20px;
}

.alert-box {
    font-size: 16px;
    color: white;
    background: #e74c3c;
    line-height: 1.3em;
    padding: 10px 15px;
    margin: 5px 10px;
    position: relative;
    border-radius: 5px;
    transition: opacity 0.5s ease-in;
}
.warning-box {
    background: #fdb544!important;
}
.animation-warning-box {
    background: #e74c3c!important;
    animation: wave-warning-box 1s linear infinite;
}
@keyframes wave-warning-box {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.4;
    }
    100% {
        opacity: 1;
    }
}
.alert-box.hide {
    opacity: 0;
}

.alert-close {
    background: transparent;
    width: 12px;
    height: 12px;
    position: absolute;
    top: 15px;
    right: 15px;
}

.alert-close:before,
.alert-close:after {
    content: '';
    width: 15px;
    border-top: solid 2px white;
    position: absolute;
    top: 5px;
    right: -1px;
    display: block;
}

.alert-close:before {
    transform: rotate(45deg);
}

.alert-close:after {
    transform: rotate(135deg);
}

.alert-close:hover:before,
.alert-close:hover:after {
    border-top: solid 2px #d8d8d8;
}

@media (max-width: 767px) and (min-width: 481px) {
    .alert-area {
        left: 100px;
        right: 100px;
    }
}

@media (min-width: 768px) {
    .alert-area {
        width: 500px;
        left: auto;
        right: 0;
    }
}