.slide{
    height: 175vh;
    margin: 0%;
    padding: 0%;
    /* background: url("back.png"); */
    background-size: 100%;
    z-index: -1;
    background-color: black;
    background-position: 0 0;
}
.container1 {
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    overflow: hidden;
    --width: 100vw;
    --height: 100vh;
    width: var(--width);
    height: var(--height);
    background-color: black;

    /* background: url("1.png"); */
    background-position: center right;
    background-size: cover;
}
.txt1{
    position: fixed;
    margin-top: 35%;
    margin-left: 35%;
    font-family: cursive;
    z-index: 10;
    color: white;
    font-size: xx-large;
    text-transform: uppercase;
    font-weight: 500;
}
.image1 {
    position: absolute;
    height: 100vh;
    background-color: black !important;

    background: url("1.png");
    background-position: center right;
    background-size: var(--width) var(--height);

    /* background-size: cover; */
    /* background: url("https://cn.opendesktop.org/img/c/7/4/1/c5a5f92b530de2cf2c18e917c8a51ac60cb6.jpg"); */
    background-size: var(--width) var(--height);
}
.image1:first-child{
    right: 0;
    width: 100vw;
    background-color: black;

    /* background: url("https://cn.opendesktop.org/img/c/7/4/1/c5a5f92b530de2cf2c18e917c8a51ac60cb6.jpg"); */
    background: url("2.png");
    background-size: var(--width) var(--height);

    background-position: center left;
    /* background-size: cover; */
}
.image1:last-child{
    right: 0;
    width: calc( 100% - var(--x,0%));
    /* box-shadow: inset 2px 0 0 #111, -2px 0 0 #111; */
}