#posts-box {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
}

.post-box {
    background-color: white;
    flex: 0 1 20%;
    border-radius: 0 0 10px 10px;
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.30);
    margin-top: 10px;
}

.post-box-title {
    font-size: 20px;
}

.post-box-author {
    color: green;
}

.post-box-button {
    width: 100%;
    border-radius: 10px;
}

.line-through {
    text-decoration: line-through;
}

@media (max-width: 1008px) {
    .post-box {
        flex: 0 1 40%;
    }
}

@media (max-width: 600px) {
    .post-box {
        flex: 0 1 90%;
    }
}