html{
    scroll-behavior: smooth;
}
*{
    color: #2B3137;
}

header{
    height: 270px;
    display: flex;
}

.header-logo{
    font-size: 24px;
    

}
.header{

    margin: 0 auto;
    width: 70%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-list{
    display: flex;
}

.header-list li{
    margin-right: 30px;
    transition: opacity 0.4s ease;
}
.header-list li:hover{
    opacity: 0.5;
}

.header-image{
    height: 420px;
    width: 100%;
}
.header-image img{
    height: 100%;
    width: 100%;

}

.about-wrapper{
    width:70%;
    height: 500px;
    margin: 0 auto;
    

}
.contents-title{
    width: 100%;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.contents-title h2{
    font-size: 24px;
    font-weight: bold;

}
.about-contents{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.about-image{
    width: 20%;
    
}
.about-image img{
    width: 100%;
    border-radius: 50%;
}
.about-text h3{
    font-size: 24px;
    margin: 20px 0;
}
.about-text p{
    font-size: 16px;
    line-height: 25px;
}
.works-contents{
    width: 70%;
    margin: 0 auto;
}
.works-contents ul{
    display: flex;
    justify-content: space-between;
    padding: 15px 0;
    flex-wrap: wrap;

}
.works-contents ul li{
    width: 30%;

}
.works-contents ul li img{
    width: 100%;
    border: 3px solid rgba(0,0,0,0.05);
    box-shadow: -10px 10px 15px rgba(0,0,0,0.3);
    transition: opacity 0.4s ease;

}
.works-contents ul li img:hover{
    opacity: 0.5;

}
.column-wrapper ul{
    width: 60%;
    margin: 0 auto;
}
.column-wrapper ul li{
    display: flex;
    font-size: 16px;
    padding: 15px 0;
    border-top: 1px solid rgba(0,0,0,0.3);
}
.column-wrapper ul li p{
    margin-left: 10%;
}
.column-wrapper ul li a{
    margin-left: 15%;
    transition: opacity 0.4s ease;
}
.column-wrapper ul li a:hover{
    opacity: 0.5;
}
.column-wrapper ul li:nth-child(6){
    border-bottom: 1px solid rgba(0,0,0,0.3);
}
.contact-items{
    width: 60%;
    margin: 0 auto;
}
.contact-item{
    display: flex;
    justify-content: space-between;
}
.contact-item label{
    width: 20%;
}
.contact-item input{
    border: 1px solid rgba(0,0,0,0.3);
    width: 100%;
    height: 40px;
    margin-bottom: 10px;

}
.contact-item textarea{
    border: 1px solid rgba(0,0,0,0.3);
    width: 100%;
    height: 200px;
}
.btn{
    text-align: center;
    margin: 50px 0 200px 0;

}
.contact-wrapper button{
    height: 50px;
    width: 200px;
    background-color: #2B3137;
    color: white;
    transition: opacity 0.4s ease;
    
}
.contact-wrapper button:hover{
    opacity: 0.5;
}
footer{
    background-color: #2B3137;
    padding: 10px 0;
}
.footer-wrapper{
    width: 70%;
    margin: 0 auto;

}
.footer-items{
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgb(177, 177, 177);
}
.footer-items p{
    color: rgb(177, 177, 177);
    font-size: 10px;

}
.footer-items a{

    transition: opacity 0.4s ease;

}

.footer-items a:hover{
    opacity: 0.5;
}