.parent {
    box-sizing: border-box;
    border: 1px groove #000000;
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    overflow: auto;
    height: 600px;
}

.block1,
.block2,
.block3,
.block4,
.block5,
.block6,
.block7,
.block8,
.block9,
.block10,
.block11 {
    background: #74542f73;
    box-sizing: border-box;
    display: inline-block;
    border: 1px groove #000000;
    border-radius: 30px;
    box-shadow: inset 1px 1px 10px;
    outline: 1px groove #000000;
    margin: 10px;
    width: 300px;
    height: 230px;
}

h1 {
    margin: 30px;
}

p {
    margin: 30px;
}