body{
    background-color: rgba(50, 200, 50, 1);
    margin: 0px;
    padding: 0px;
    font-size: 125%;
    color: white;
    overflow-x: hidden;
}

#header_img{
    width: 99.91vw;
    margin: 0px;
    padding: 0px;
}

#menu{
    display: inline-block;
    width: 14vw;
    padding-top: 24vw;
    background: url("/homepage/panel.png");
    background-size: contain;
    background-repeat: no-repeat;
    vertical-align: top;
    position: sticky;
    top: 1vh;
}

@media only screen and (max-width: 600px) {
    #menu {
        max-height: 30vh;
    }
}


.menu_button_image{
    width: 80%;
    position: absolute;
    left: 11%;
}

.sub_menu{
    display: inline-block;
    visibility: hidden;
    width: 15vw;
    padding-top: 28vw;
    background: url("/homepage/sub_panel.png");
    background-size: contain;
    background-repeat: no-repeat;
    position: absolute;
    top: 0px;
    left: 14.5vw;
    z-index: 1;
    -webkit-transition: visibility 0.69s; /* For Safari 3.1 to 6.0 */
    transition: visibility 0.69s;
}

.menu_button:hover .sub_menu{
    visibility: visible;
}

.sub_menu_button_image{
    width: 71%;
    position: absolute;
    left: 14%;
}

#login{
    position: absolute;
    bottom: 0px;
    right: 0px;
}

#main_container{
    display: inline-block;
    width: 80vw;
    min-height: 50vh;
    border-radius: 3vw;
    background-color: #454545;
    margin-right: 1vw;
    padding: 1%;
}

a{
    display: inline;
    color: yellow;
    text-decoration: none;
    cursor: pointer;
}

a:hover{
    color: pink;
}

h1{
    text-align: center;
}