main.css

/*
To change this license header, choose License Headers in Project Properties.
To change this template file, choose Tools | Templates
and open the template in the editor.
*/
/* 
    Created on : Mar 28, 2021, 9:09:11 PM
    Author     : moham
*/

html{
    height: 100%;
}
body{
    height: 100%;
    margin: 0;
    font-family: sans-serif;
}
.app {
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;

}

.slideshow{
    flex: 1;
    background-color: grey;
    position: relative;
    overflow: hidden;
}
.header{
    text-align: center;
    padding: 20px 0;
}

.header select{
    font-size: 20px;
}
.header h1{
    margin: 0 0 10px 0;
}
.slide{
    position: absolute;
    top: 0;
    bottom: 0;
    right: 0;
    left: 0;
    background-repeat: no-repeat;
    background-size: contain;
    background-position: center center;
    opacity: 0;
    transform: scale(1);
    transition: all .9s ease-out;
}
.slide:nth-last-child(2){
    opacity: 1;
    transform: scale(1.08);
}