* {
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}

html, body {
    height:100%;
    margin: 0;
    padding: 0;
}


.block {
    border: 1px solid black;
    height:  100vh;
    width: 100%;
}



.block_quarter {
    border: 1px solid black;
    height: 25vh;
    width: 100%;
}

.block_text {
    border: 1px solid black;
    height: 25vh;
    width: 100%;
    text-align: center;
    justify-content: center;
    align-items: center;
    display: flex;
}


.block_image {
    border: 1px solid black;
    height: 25vh;
    width: 100%;
    justify-content: top;
    align-items: top;
    display: flex;
}

.block_text img {
    top: 0px;
    height: 100%;
    width: 100%;
    object-fit: contain;
}

.block_image_text {
    border: 1px solid black;
    text-align:center;
    height: relative;
    width: 100%;
}


.container-row {
    display: flex;
    flex-direction: row;
    height: 100vh;
}

.container-column {
    display: flex;
    flex-direction: column;
    height: 100vh;
    
    overflow: hidden;
}

.container-column-group {
    display:flex;
    flex-direction: column;
    margin-left: 10%;
    margin-right: 10%;
    overflow: hidden;
}