html,body{height:100%;margin:0}.contenido{display:flex;flex-flow:column;height:100%;justify-content:center;align-items:center}.recuadro{width:450px;height:auto;content:"nada";padding:40px 30px;box-shadow:rgba(99,99,99,0.2) 0px 2px 8px 0px;text-align:center}.img_holder{text-align:center;width:100%;height:10rem;margin-bottom:3rem}.img_holder img{height:100%}.inicia{margin-bottom:3rem}.thebuton{width:120px;padding:10px;font-size:1rem;background-color:var(--main-back-color);color:#fff;border:none;border-radius:5px;cursor:pointer;text-decoration:none}.thebuton:hover{background-color:#fff;border:solid 1px var(--main-back-color);color:var(--main-back-color)}