.slide1 p {
    background-color: aliceblue;
    color: black;
    margin-left: 200px;
    margin-right: 200px;
}

.slide3 p,
.slide4 p {

    font-size: 30px;
}

.slide7 ul li {
    font-size: 30px;
}

.tech img {
    height: 100px;
}