#btn-container {
    width: 100%;
    display: flex;
    margin-top: 1%;
    flex-flow: row wrap;
    justify-content: center;
}
.projectnavbar a {
    text-decoration: none;
    color: black;
    margin: 1%;
    font-size: 17px;
}
.project-cont {
    margin: 1% 0;
    display: flex;
    flex-flow: wrap;
    justify-content: center;
}
.project-cont a {
    display: flex;
    flex-direction: column;
}
.projectnavbar a:hover{
    color: red;
}
.btn {
    border: none;
    outline: none;
    padding: 10px;
    background-color: white;
    cursor: pointer;
}
.btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
}
/* Add a dark background color to the active button */
.btn.active {
    background-color: #666;
    color: white;
}
.w3-card {
    max-width: 400px;
    width: 50%;
    margin: 1vw;
    display: none; /* Hide columns by default */
}
.w3-card img {
    width: 100%;
}
.w3-card a{
    text-decoration: none;
}
.project-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 0 0.5vw;
}
.project-info h3 {
    margin-bottom: 0;
}
@media screen and (max-width: 670px) {
    .w3-card {
	width: 100%;
    }
}
.show {
    display: flex;
}