style.css

html {
    background-color: grey;
}

h1 {
    text-align: center;
    margin: -4px;
}

h2 {
    text-align: center;
    margin: 2px;
}

h3 {
    text-align: center;
    margin: 2px;
}

.container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    /* grid-gap: 10px; */
    overflow: auto;
}

@media (max-width: 767px) {
    .container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        overflow: auto;
    }
}

.memwipe-video video {
    max-width: 70%;
    height: auto;
}

@media (max-width: 767px) {
    .memwipe-video video {
        max-width: 80%;
        height: auto;
    }
}
.box {
    padding: 10px;
    float: left;
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* @media (max-width: 767px) {
    .box {
        height: 100px;
        width: 100px;
    }
} */

.box img {
    width: 200px;
    height: 200px;
    object-fit: contain;
}

@media (max-width: 767px) {
    .box img {
        width: 160px;
        height: 160px;
        object-fit: contain;
    }
}

button {
    background: linear-gradient(lightblue 0 0) var(--p, 0) / var(--p, 0) no-repeat;
    transition: 0.5s, background-position 0s;
    background-color: white;
    color: black;
    
    border-radius: 8px;
    font-size: 13px;
    margin: 2px;
    max-width: 200px;
    padding: 1px;
    cursor: pointer;
}

@media (max-width: 767px) {
    button {
        background: linear-gradient(lightblue 0 0) var(--p, 0) / var(--p, 0) no-repeat;
        transition: 0.5s, background-position 0s;
        background-color: white;
        max-width: 175px;
        font-size: 17px;
        border-radius: 8px;
    }
}

button:hover {
    --p: 100%;
    background-color: black;
    color: black;
}

footer {
    padding: 20px;
}

.heading {
    text-align: center;
    padding: 10px 10px;
}

.heading h1 {
    background-color: black;
    color: white;
    margin-left: auto;
    margin-right: auto;
    border-radius: 8px;
}

@media (max-width: 767px) {
    .heading h1 {
        background-color: black;
        color: white;
    }
}

.footer-heading {
    text-align: center;
    padding: 10px 10px;
    color: white;
}

.footer-heading h3 {
    color: white;
    border-radius: 8px;
}

@media (max-width: 767px) {
    .footer-heading h3 {
        color: white;
        border-radius: 8px;
    }
}

iframe {
    max-width: 1000px;
    width: 100%;
    height: 445px;
}

.white-links a:link {
    color: white;
}

.pdf {
      padding: 15px;
}

ol li iframe {
    height: 500px;
    width: 90%;
}

li a:link {
    color: black;
}

@media (max-width: 767px) {
    ol li iframe {
        height: 400px;
        width: 90%;
    }
}

.overlay {
    background-color: rgba(0, 0, 0, 0.4);
    padding: 10px;
    border-radius: 10px;
}

.overlay a:link {
    color: white;
}

.overlay a:visited {
    color: fuchsia;
}