#portfolio-container {
    position: absolute;
    top: calc(75px + 5em);
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: calc(100vh - 150px);
}

#portfolio-header {
    margin-bottom: 15px;
}

#portfolio-content {
    overflow-y: auto;
}

.portfolio-item-card {
    background-color: rgba(0, 0, 0, 0.5);
    border: 1px solid #077B06;
    border-radius: 5px;
    margin: 1em 30%;
    list-style-type: none;
    padding: 5px 0.5em;
    transition-duration: 0.2s;
}

.portfolio-item-card:hover {
    padding: 25px 0.5em;
    margin: 1em 28%;
}

.portfolio-item-card > img {
    width: 500px;
    height: 300px;
}