body{
    background-color: #a1a1a1;
}

.navigation{
    margin: -10px;
    position: fixed;
    background-color:black;
    width: 200px;
    height: 100vh;
    float: inline-start;
    text-align: center;
    font-size: 40px;
    color: white;
}

.navigation ul{
    list-style-type: none;
}

.navigation li{
    margin-top: 40px;
}

.navigation a{
    color: white;
    font-family: serif;
}

.navigation a:hover{
    color: aqua;
}

.name{
    text-align: center;
    font-size: 60px;
}


.pro_img {
    width: 100%;
    text-align: center;
}
.pro_img img{
    padding-top: 180px;
    margin: 10px;
    width: 350px;
}