@import url("https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap");

.first-pic {
    background-image: url("https://picsum.photos/id/684/1920/1080");
}

.second-pic {
    background-image: url("https://picsum.photos/id/685/1920/1080");
}

.third-pic {
    background-image: url("https://picsum.photos/id/686/1920/1080");
}

.fourth-pic {
    background-image: url("https://picsum.photos/id/688/1920/1080");
}

* {
    box-sizing: border-box;
}

body {
    font-family: "Roboto", sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    overflow: hidden;
    margin: 0;
}

.contianer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 90vw;
}

.picture {
    background-size: cover 100%;
    background-position: center;
    background-repeat: no-repeat;
    height: 80vh;
    border-radius: 6rem;
    -webkit-border-radius: 6rem;
    -moz-border-radius: 6rem;
    -ms-border-radius: 6rem;
    -o-border-radius: 6rem;
    color: white;
    cursor: pointer;
    flex: 0.5;
    margin: 15px;
    position: relative;
    transition: flex 0.7 ease-in;
    -webkit-transition: flex 0.7 ease-in;
    -moz-transition: flex 0.7 ease-in;
    -ms-transition: flex 0.7 ease-in;
    -o-transition: flex 0.7 ease-in;
}

.picture h3 {
    font-size: 24px;
    position: absolute;
    bottom: 3rem;
    left: 4rem;
    margin: 0;
    opacity: 0;
    text-shadow: 3px 3px 8px black;
}

.picture.active {
    flex: 5;
    border-radius: 6rem;
    -webkit-border-radius: 6rem;
    -moz-border-radius: 6rem;
    -ms-border-radius: 6rem;
    -o-border-radius: 6rem;
}

.picture.active h3{
    opacity: 1;
    transition: opacity 0.5s ease-in;
    -webkit-transition: opacity 0.5s ease-in;
    -moz-transition: opacity 0.5s ease-in;
    -ms-transition: opacity 0.5s ease-in;
    -o-transition: opacity 0.5s ease-in;
}