html,
body,
div,
span,
h1,
h2,
h3,
h4,
h5,
h6,
p,
a,
ul,
ol,
li,
form,
label,
table,
thead,
tbody,
tr,
th,
td {
    margin: 0;
    padding: 0;
}

ul,
ol {
    list-style: none;
}

button,
input,
select,
textarea {
    margin: 0;
}