style.css

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

body {
    background-color: rgb(204, 206, 209);
}

.outer {
    display: flex;
    
    align-items: center;
    margin: 0 auto;
    width: 600px;
    height: 600px;
    text-align: center;
    /*border: 2px red solid;*/ 
}
.container {
    /*display: flex;*/
    margin: 0 auto;
    width: 60%;
    min-height: 400px;
    /*justify-content: center;
    flex-direction: column;*/
    border: 1px blue solid;
    border-radius: 10px;
    box-shadow: rgba(0, 0, 0, 0.35) 0px 5px 15px;;
    background-color: rgb(169, 188, 216);
    /*overflow: scroll;*/
}

.inner {
    
    margin: 0 auto;
    width: 80%;
    height: 280px;
    text-align: center;
    /* border: 2px red solid;*/
    background-color: rgb(169, 188, 216);
    overflow-y: scroll;
}

.header {
    padding-top: 10px;
    color: blue;
    font-size: large;
    font-family: Arial, Helvetica, sans-serif;

}
.form {
    margin: 10px;
}

.list {
margin: 10px;
padding: 5px;
width: 200px;
}

.orderedList {
padding: 10px;
margin: 10px;

}

.lists {
    margin: 15px 0;
    padding: 5px;
    border-radius: 5px;
    border: 1px grey solid;
    background-color: rgb(220, 245, 224);
}



.button {
    margin: 10px;
    padding: 8px 16px;
    border-radius: 5px;
    border: 1px black solid;
}