html,
body,
p,
h1,
h2,
h3,
h4,
h5,
span,
input,
label,
a,
ul,
li,
button {
    margin: 0;
    padding: 0;
}

button,
input {
    outline: none;
}

a {
    text-decoration: none;
    color: #000000;
}

ul,
li {
    list-style: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix::after {
    content: "";
    display: block;
    clear: both;
}