body,html,div,a,p,span,i,em,img,form,input,button,table,tr,td,tbody,ul,ol,li,h1,h2,h3,h4,h5,h6{margin:0;padding:0;box-sizing: border-box;}
ul li,ol li{list-style: none;}
a{text-decoration: none;}
i em{font-style: normal;}
h1,h2,h3,h4,h5,h6,strong,b{font-weight: normal;}
input,img,button{border: 0;}
button,input{outline: none;}