.mydiv{
    position: relative;
    padding: 10em 5em 5em 5em;
    overflow: hidden;
    /*background-color: rgba(from blue r g b / calc(alpha - 0.95)); */  
}


.div2{
    padding: 5em 5em 1em 5em;
    border-bottom: 0.5px solid black;
}

.div3{
    /*margin-top: 2em;*/
    padding: 3em;
    /*border: 1px dashed white;*/
    /*border-radius: 25px;*/
    position: relative;
    background: #2A7B9B;
    background: linear-gradient(90deg, rgba(42, 123, 155, 1) 0%, rgba(87, 199, 133, 1) 50%, rgba(237, 221, 83, 1) 100%);
}