main{
    height: 100dvh;
    width: 100dvw;
    background-size: 100% 100%;
    background-repeat: no-repeat;
}

div{
    align-items: center;
}

.log{
    padding: 0%;
    margin: 0%;
    position: absolute;
    bottom: 0%;
    left: 50dvw;
    height: 50dvh;
    width: 2.5dvw;
}

.button {
    padding: 0%;
    margin: 0%;
    border: 0px;
    position: absolute;
    background-color: transparent;
}
.button img{
    height: 100%;
    width: 100%;
}

.hovimg {
    display: none;
}
.button:hover .hovimg {
    display: inline-block;
}
.button:hover .innimg {
    display: none;
}

.btn1 {
    height: 12dvh;
    width: 20dvw;
    bottom: 36dvh;
    right: 48.7dvw;
}
.btn2 {
    height: 12dvh;
    width: 25.2dvw;
    bottom: 28dvh;
    right: 23.7dvw;
}
.btn3 {
    height: 12dvh;
    width: 25.5dvw;
    bottom: 16dvh;
    right: 48.55dvw;
}
.btn4 {
    height: 14dvh;
    width: 26.3dvw;
    bottom: 8dvh;
    right: 23.38dvw;
}