DenisSlider2000/src/style.css

body {
    margin: 0;

    display: flex;
    flex-wrap: wrap;
    justify-content: center;

    background-size: cover;
    background-repeat: no-repeat;
    background-image: url("./images/background.jpg");
}

#title {
    margin-top: 1vh;
    width: 100%;
    display: flex;
    justify-content: center;
}

#mobile-title {
    display: none;
}

#swiper-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

#counter-container {
    display: flex;
    margin-top: 5vh;
    justify-content: center;
}

#counter-container > span {
    color: white;
    font-weight: bold;
    font-size: large    ;
    font-family: sans-serif;
}

#chat-button {
    position: absolute;
    right: 3vh;
    bottom: 3vh;

    height: 100px;
    width: 100px;
    border-radius: 50%;
    background-color: white;

    display: flex;
    align-items: center;
    justify-content: center;
}

#chat-button > img {
    height: 60px;
    width: 60px;
}

#chat {
    height: 60vh;
    width: 30vw;

    position: absolute;
    bottom: 0;
    right: 0;

    display: none;
    padding: 1.5vh;
    border-radius: 30px 0px 0px 0px; 
    background-color: white;
}

#messages {
    height: 50vh;
    padding: 0;
    list-style: none;
    overflow-y: scroll;
    font-family: sans-serif;
}

#message-input {
    padding: 1vh;
    width: 20vw;
}

#send {
    height: 30px;
    margin-left: 5px;
    transform: translateY(10px);
}

#close {
    height: 30px;
    margin-left: 5px;
    transform: translateY(10px);
}


.swiper {
    width: 500px;
    height: 400px;
    margin-top: 20vh;
}

.photo-container {
    width: 500px;
    height: 400px;

    display: flex;
    justify-content: center;
    align-content: center;
}


.is-received {
	position: relative;
	background: #e5e5ea;
	border-radius: .4em;
    
    width: 90%;
    padding: 0.5vh;
    margin: 1vh;
    margin-left: 20px;
    min-height: 30px;
}

.is-received::after {
	content: "";
	position: absolute;
	left: -10px;
	top: 50%;
	width: 10px;
	height: 0;
	border: 1.281em solid transparent;
	border-right-color: #e5e5ea;
	border-left: 0;
	border-top: 0;
	margin-top: -0.641em;
	margin-left: -1.281em;
}

.is-sended {
	position: relative;
	background: #007bff;
	border-radius: .4em;

    width: 90%;
    padding: 0.5vh;
    margin: 1vh;
    margin-left: 20px;
    min-height: 30px;
}

.is-sended::after {
	content: "";
	position: absolute;
	right: 0;
	top: 50%;
	width: 0;
	height: 0;
	border: 0.625em solid transparent;
	border-left-color: #007bff;
	border-right: 0;
	border-bottom: 0;
	margin-top: -0.312em;
	margin-right: -0.625em;
}

@media screen and (max-width: 1024px) {

    body {
        overflow-y: hidden;
        background-image: url("./images/mobile-background.jpg");
    }

    #title {
        display: none;
    }

    #mobile-title {
        display: flex;
    }

    #chat-button  {
        height: 60px;
        width: 60px;

        bottom: 5vh;
    }

    #chat-button > img {
        z-index: 9998;
        height: 30px;
        width: 30px;
    }

    #chat {
        z-index: 9999;
        height: 100vh;
        width: 100vw;

        border-radius: 0px 0px 0px 0px; 
    } 

    #messages {
        margin-top: 15vh;
        padding-left: 5vw;
        height: 70vh;
        width: 95vw;
    }

    #message-input {
        margin-left: 5vw;
        width: 60vw;
    }

    .photo-container {
        width: 300px;
        height: 300px;
        margin-left: 15vw;
    }
}