.flex-row {
    display: flex !important;
    flex-direction: row;
}
.flex-column {
    display: flex !important;
    flex-direction: column;
}
.flex-none {
    display: none;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.align-center {
    align-items: center;
}

.fade {
    animation: fade-in 0.3s linear;
    -webkit-animation: fade-in 0.3s linear;
    -o-animation: fade-in 0.3s linear;
    height: 531px;
}

@keyframes fade-in {
    0% {
        opacity: 0;
    }

    100% {
        opacity: 1;
    }
}