#container-retos{display:flex;flex-direction:row;justify-content:space-around;flex-flow:wrap}.box-reto{border:solid;border-width:2px;border-top-width:8px;border-color:#f4bf20;width:350px;height:400px;align-content:center;text-align:center;font-family:"Gill Sans","Gill Sans MT","Myriad Pro","DejaVu Sans Condensed",Helvetica,Arial,"sans-serif";margin-top:20px;margin-bottom:20px}.caja-imagen-box-reto{width:100%;height:150px}.title-retos{color:#000;font-size:22px;padding:5%;background-color:#f8d05d}.descripcion-retos{color:#000;font-size:18px;padding:5%}