.post-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-gap: 20px;
    
} 

.post-thumbnail {
    overflow: hidden;
    border-radius: 5px;
}

.post-thumbnail img {
    border-radius: 5px;
    height: 158px;
    object-fit: cover;
    transform: scale(1);
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
}

.post-item:hover img{
    transform: scale(1.2);
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
}

.post-title  {
    margin-bottom: 10px;
    margin-top: 15px;
    font-size: 16px;
    font-weight: bold;
}

.post-excerpt {
    font-size: 14px;
    color: #808d97;
}

.read-more {
    color: #E70491;
    font-size: 14px;
    font-weight: bold;
}

.read-more svg {
    margin-left: 5px;
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
}

.post-item:hover .read-more svg {
    margin-left: 10px;
    -webkit-transition: all .3s ease-in-out;
    -moz-transition:    all .3s ease-in-out;
    -o-transition:      all .3s ease-in-out;
    -ms-transition:     all .3s ease-in-out;
    transition:         all .3s ease-in-out;
}

.post-thumbnail {
    position: relative;
}

.post-thumbnail img {
    filter: sepia(1) hue-rotate(160deg);
}

.post-thumbnail::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #0075FF;
    opacity: .3;
}

@media only screen and (max-width: 600px) {
    .post-container { 
        grid-template-columns: 1fr;
        row-gap: 40px;
    }
}