css display:flex

.painPartBox {
display: flex;
flex-direction: row;
align-items: start;
border: 1px solid #ced4da;
margin-top: 1rem;
height: 400px;
box-sizing: border-box;
}
.painPartBox img {
height: 100%;
}
.painPartBox .painPartItem {
display: flex;
flex-wrap: wrap;
flex-direction: column;
padding-top: 2rem;
flex: 1;
}
.painPartBox .painPartItem label {
margin-bottom: 1em;
width: 200px;
}
.k-checkbox-label {
margin: 0;
padding: 0;
line-height: 17px;
display: inline-flex;
align-items: flex-start;
vertical-align: middle;
position: relative;
cursor: pointer;
}