* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

ul, ol {
    list-style: none;
}

a {
    color: black;
    text-decoration: none;
}

body {
    font-family: 'Helvetica Neue','Roboto', sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: #333;
}

img {
    vertical-align: middle;
}

input {
    border: none;
    outline: none;
    color: #333;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.pa {
    position: absolute;
}

.pr {
    position: relative;
}

.clearfix::before,
.clearfix::after {
    content: '';
    display: table;
    clear: both;
}
.clearfix::after {
    clear: both;
}