使用Flex
.procedure-box {
border: 1px solid #ada9a9;
/* display: inline-block;*/ /*Remove this*/
display:flex; /*Add This*/
flex-direction:column; /*Add this*/
height: 350px;
width: 300px;
margin-right: 15px;
justify-content:space-between; /*Update this*/
}
.header {
text-align: left;
margin-left: 15px;
margin-right: 15px;
}
.content-body {
text-align: left;
margin-left: 15px;
margin-right: 15px;
flex:1; /*Add this*/
}
https://jsfiddle.net/lalji1051/h3fm9nt0/1/
https://jsfiddle.net/lalji1051/h3fm9nt0/3/
更新的答案