.joblist{padding: 0 .2rem;}
.c_jobtop{background: #f8f8f8;}
.imgbox{ display:block; position:relative;  }
.imgbox:before{content:""; display:block; padding-top:75%}
.imgbox img{ height:100% ; position:absolute; width:100%;top:0; left:0; display:block; width:100%;}