.grades_bg{background:url(../img/bg.6ba84a24.jpg) no-repeat 50%;background-size:cover;width:100vw;height:100vh;overflow:hidden;font-size:1em;text-align:center}.avatar{margin-top:15vh;margin-bottom:4vh}.avatar img{border-radius:50%}.grades_bg p{color:#333;margin:.5em 0 .7em;font-weight:700}.grades_bg span{color:#fff;margin:0 1.5em 0 1.2em}.grades_btn{margin-top:2vh;width:70vw;height:7vh;line-height:7vh;font-size:5vw}.info p{color:#fff}.wapp{position:relative;top:20%;margin:20px auto;width:85vw}.wapp canvas{margin:0 auto;width:100%;height:100%}