body {
    display: grid;
    grid-template-columns: 100%;
    grid-template-rows: 
    50px 64px 400px 450px 950px 
    590px 480px 420px;
}
.section-banner-page img {
    width: 100%;
}
.section-about-us {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.section-about-us h1 {
    width: 880px;
    color: #666666;
    font-size: 30px;
}
.section-about-us h2 {
    width: 880px;
    color: #999999;
    font-size: 13px;
    font-weight: normal;
}
.container-section-about-us {
    width: 880px;
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}
.column1 {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 420px;
}
.column1 p {
    color: #999999;
    font-size: 13px;
}
.container-img-text-column1 {
    display: flex;
    width: 420px;
    height: 60px;    
}
.container-img-text-column1 div {
    display: flex;
    align-items: center;
    box-sizing: border-box;
    border: 0.5px solid #cccccc;
    width: 210px;
    height: 60px;
}
.container-img-text-column1 img {    
    margin-left: 20px;
    margin-right: 12px;
}
.column2 {
    width: 420px;
}
.column2 p {
    color: #999999;
    font-size: 13px;
}
.section-why-choose-us {
    background-color: #efefef;
    display: flex;
    justify-content: space-around;
}
.container-section-why-choose-us {
    width: 880px;
}
.container-section-why-choose-us > h1 {
    color: #666666;
    font-size: 30px;
    text-align: center;
    margin-top: 60px;
}
.container-section-why-choose-us > p {
    color: #999999;
    font-size: 13px;
    text-align: center;
    margin: 20px 0px 40px 0px;
}
.grid-services img {
    margin-top: 30px;
}
.grid-services h1 {
    color: #666666;
    font-size: 17px;
    margin: 20px 0px 20px 0px;
}
.grid-services p {
    color: #999999;
    font-size: 13px;
    text-align: center;
}
.grid-services-line1 {
    display: flex;
    justify-content: space-between;
}
.grid-services-line2 {
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
}
.grid-services a {
    box-sizing: border-box;
    width: 280px;
    height: 340px;
    padding: 20px;
    border: 3px solid white;
    background-color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: border-color 0.3s;
    box-shadow: 0 10px 30px 0 rgba(14, 13, 13, 0.32);
}
.grid-services a:hover {
    border-color: #00CCCC;
}
.section-our-team {
    box-sizing: border-box;
    border: 2px solid #efefef;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.section-our-clients {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.section-our-clients p {
    width: 880px;
    color: #999999;
    font-size: 15px;
    margin: 60px 0px 40px 0px;
}
.section-our-clients-line1, .section-our-clients-line2 {
    width: 880px;
    display: flex;
    justify-content: space-between;
    align-items: baseline;    
}
.section-our-clients-line1 img, .section-our-clients-line2 img {
    filter: grayscale(100%);
    -webkit-filter: grayscale(100%);
    filter: gray; /* IE */
    transition: filter 0.5s;
}
.section-our-clients-line1 img:hover, .section-our-clients-line2 img:hover {
    filter: grayscale(0%);
    -webkit-filter: grayscale(0%);
    filter: none; /* IE */
    transition: filter 0.5s;
}
.section-our-clients-line2 {
    margin-top: 80px;
}