@import url("https://fonts.googleapis.com/css?family=Muli&display=swap");

* {
    box-sizing: border-box;
}

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

.container {
    display: flex;
    width: 90vw;
}

.container .panel {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 80vh;
    border-radius: 50px;
    color: rgb(0, 0, 0);
    cursor: pointer;
    flex: 0.5;
    margin: 10px;
    position: relative;
    transition: all 500ms ease-in;
    opacity: 0.5;
}

.container .panel h3 {
    font-size: 24px;
    position: absolute;
    bottom: 20px;
    left: 20px;
    margin: 0;
    opacity: 0;
    text-transform: capitalize;
}

.container .panel.active {
    flex: 5;
    opacity: 1;
}

.container .panel.active h3 {
    opacity: 1;
    transition: opacity 0.3s ease-in 0.4s;
}

.container .panel:nth-child(1) {
    background-image: url("https://raw.githubusercontent.com/nvanha/codepen-directory/master/image/50-projects-front-end/1/1.jpg");
}

.container .panel:nth-child(2) {
    background-image: url("https://raw.githubusercontent.com/nvanha/codepen-directory/master/image/50-projects-front-end/1/2.jpg");
}

.container .panel:nth-child(3) {
    background-image: url("https://raw.githubusercontent.com/nvanha/codepen-directory/master/image/50-projects-front-end/1/3.jpg");
}

.container .panel:nth-child(4) {
    background-image: url("https://raw.githubusercontent.com/nvanha/codepen-directory/master/image/50-projects-front-end/1/4.jpg");
}

.container .panel:nth-child(5) {
    background-image: url("https://raw.githubusercontent.com/nvanha/codepen-directory/master/image/50-projects-front-end/1/5.jpg");
}

@media (max-width: 480px) {
    .container {
        width: 100vw;
    }

    .container .panel:nth-child(4),
    .container .panel:nth-child(5) {
        display: none;
    }
}