h1 {
    font-size: 24px;
    text-align: center;
    font-weight: bold;
    margin-bottom: 30px;
    padding: 40px 0 10px 0;
}
img {
    max-width: 100%;
}
.filtermenu {
    width: 80%;
    margin: 20px auto;
    text-align: center;
}
.filtermenu li {
    border: 1px solid #ccc;
    padding: 4px 12px;
    display: inline-block;
    border-radius: 6px;
    cursor: pointer;
}
.filtermenu li.active {
    background: #ccc;
}
.gallery-container {

    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
}
.post {
    width: 230px;
    margin: 10px;
}
.post-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}
.post-thumb {
    margin-bottom: 10px;
}
.post-txt {
    font-size: 12px;
}