body {
  width: 1200;
  margin-right: auto;
  margin-left: auto;
  font-family: sans-serif;
  background-color: #252525;
}

.header{
  background-color: #121b20;
  height: 630px;
  padding: 30px 0px;
}
.header-logo{
  margin: 60px 0px 60px 60px;
  color: #8aa0bb;
}
.header-logo p{
  background-color: ;
  color: #3660aa;
}
.header-list{
  text-align: center;
}

.main{
  height: 6700px;
  background-color: #121b20;
  color: #fafafa;
}
.contents{
  margin-right: 50px;
  width: 75%;
  height: 100%;
  float: right;
  background-color: #1e282f;
  color: #dddddd;
}

.contents-item{
  margin: 60px 60px 60px 20px;
  padding-bottom: 20px;
  background-color: ;
  border-bottom: 1px solid gray;
}
.contents-item h3{
  margin-left: 10px;
  font-size: 22px;
}
.contents-item p{
  margin-left: 50px;
  line-height: 40px;
  font-size: 18px;
}
.photo{
  text-align: center;
}




.sidebar{
  float: left;
  width: 200px;
  height: 1000px;
  border: solid 1px #121b20;
  font-size: 15px;
}
.sidebar p{
  text-align: center;
  color: #dddddd;
}
.sidebar li{
  list-style: none;
  padding: 20px 0px;
}
a:link{
  color: #8aa0bb;
}
a:visited{
  color: #8aa0bb;
}
a:hover{
  color: #3660aa;
}
a:active{
  color: ;
}


.footer{
  background-color: #121b20;
  height: 50px;
  padding: 30px 60px;
}