.header{
    padding: 15px 0 20px 0;
    background-color: rgb(255, 255, 255);
    width: 100%;
    position: sticky;
    top: 0;
}

.header_list{
    text-decoration: none;
    display: flex;
    flex-direction: row;
    justify-content: space-evenly;
    list-style-type: none;
}

.header_button{
    font-size: 25px;
    border-radius: 40px;
    box-shadow: 0 5px black;
    font-weight: 800;
    width: 170px;
    height: 50px;
    display: flex;
    transition: 100ms transform, 100ms box-shadow;
}

.header_button a{
    text-decoration: none;
    color: white;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.header_button:active{
    transform: translateY(5px);
    box-shadow: 0 0 black;
}

.footer{
    display: flex;
    padding-top: 30px;
    justify-content: center;
    align-items: center;
    text-align: center;
}