p, a, td, span, div {
    font-family: 'Open Sans', sans-serif;
}

.wrapper {
    width: 980px;
    margin: auto;
}
.header {
    background: #f6d654 url(img/bg-material.png) repeat-x;
    height: 132px;
}
.main-feature {
    background-color: aquamarine;
    height: 536px;
    background: linear-gradient(#97c0dd, #fff);
}

.help {
    background-color: #464646;
}

.detail-feature .wrapper {
    display: flex;
    flex-flow: row nowrap;
    padding: 65px 0 65px 0;
}

.testim-item {
    font-family: Arial, Helvetica, sans-serif;
    color: #7b7b7b;
    border: 1px solid;
    border-color: #dfe0e1;
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
}

.testim-item a {
    text-decoration: none;
    color: #ff0000;
    font-weight: bold;
}

.testim-num {
    border-right: 1px solid;
    border-color: #dfe0e1;
    width: 50px; 
    align-self: stretch;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.testim-desc {
    padding: 10px;
}

.footer {
    position: relative;
    background: #f6d654 url(img/bg-material.png) repeat;
}

.footer .footer-links {
    display: flex;
    flex-flow: row nowrap;
    padding: 20px 0 20px 0;
}

.footer::before{
    background: url(img/tooth-sel.png) repeat-x;
    content: "";
    position: absolute;
    display: block;
    width: 100%;
    height: 5px;
    margin-top: -5px;
}

.footer nav {
    flex-basis: 25%;
}
.footer nav a {
    display: block;
    color: #c4c4c4;
    text-decoration: none;
    text-shadow: 1px 1px 1px #000;
    border-bottom: 1px dashed #707070;
    padding-left: 29px;
    height: 32px;
    line-height: 32px;
    margin-right: 20px;   
}

.footer nav a::before {
    display: block;
    content: "";
    position: absolute;
    background-image: url(img/list-marker.png);
    width: 8px;
    height: 8px;
    margin: 13px 0 0 -17px;   
}

.footer nav a:last-child {
    border-bottom: none;
}

.footer-contacts {
    width: 25%;
    padding-top: 5%;
}

.footer-contacts p {
    color: #919191;
    font-size: 20pt;
}

.footer-contacts span {
    color: #ececec;
    font-size: 20pt;
    font-weight: bold; 
}

.copyrights {
    background: #22272f;
    width: 100%;
    height: 44px;
    line-height: 44px;
}

.copyrights p {
    color: #4b5566;
    text-align: center;
}