body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding-top: 175px;
    background-image: url("../images/background.png");
}

.activity {
    justify-content: center;
    background-color: white;
    padding: 80px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    min-height: 300px;
    text-align: center;
    margin: auto auto 50px;
}

.activity h1 {
    font-size: 36px;
    text-align: center;
    color: rgb(196, 57, 32);
}

.activity h2 {
    font-size: 12px;
    text-align: left;
    color: rgb(196, 57, 32);
}

.activity p {
    padding: 20px;
    text-align: center;
    font-size: 20px;
    line-height: 1.5;
}
.activity a {
    font-size: 1.3rem;
    font-weight: 500;
    color: #272727;
}

.activity a:hover {
    color: #f33c3c;
    transition: all ease 0.3s;
}

.photo-gallery {
    width: 90%;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 20px;
}

.pic {
    position: relative;
    height: 230px;
    border-radius: 10px;
    box-shadow: 3px 3px 5px lightgray;
    cursor: pointer;
    transition: .5s;
    box-sizing: border-box;
    opacity: 1;
}

.pic img {
    width: 100%;
    height: 100%;
    border-radius: 10px;
    transition: .5s;
}

.modal {
    display: none;
    position: fixed;
    z-index: 3;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
}

.modal-content, #caption {
    animation: zoom 0.6s;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }
    to {
        transform: scale(1)
    }
}

.close {
    position: absolute;
    top: 45px;
    right: 85px;
    color: #fff;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
}

.close:hover,
.close:focus {
    color: #bbb;
    text-decoration: none;
    cursor: pointer;
}

#caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: #ccc;
    padding: 10px 0;
    height: auto;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -50px;
    color: white;
    font-weight: bold;
    font-size: 20px;
    transition: 0.6s ease;
    user-select: none;
    -webkit-user-select: none;
}

.prev {
    left: 85px;
}

.next {
    right: 85px;
}

.prev:hover, .next:hover {
    background-color: rgba(0, 0, 0, 0.8);
}