#testing{
    transition-duration: 1s;
}
#testing:hover{
    transform: rotate(3000deg);
}
.fog:hover{
    opacity: 0;
    transition-duration: 1s;
}
#fogg{
    top:0;
    left:0;
    position:fixed;
    display: grid;
    width:100%;
    height: 100%;
    grid-template-columns: repeat(20, 1fr);
    grid-template-rows: repeat(10, 1fr);
    z-index: 1;
}
.fog{
    background-color: rgb(234, 233, 233);
    opacity: .99;
    width:100%;
    height: 100%;
    transition:opacity;
    transition-duration: 20s;
    z-index: 1;
}
#title{
    text-align: center;
    position: relative;
    animation:titlehid 10s;
    z-index: 0;
    pointer-events: none;
}

@keyframes titlehid{
    0%{z-index: 2;}
    50%{opacity: 0;}
    100%{z-index: 1}
}
@keyframes fog {
    0%{pointer-events: all;}
    100%{pointer-events: none;}
}

#atransfrom{
    transform:matrix(1, -1, 2, 2, 100, 5);
    background-color: blue;
}
#btransfrom{
    transform: rotate(20deg);
    background-color: bisque;
}
#ctransfrom{
    top:100px;
    left:0px;
    transform: perspective(10cm) rotateX(-10deg) rotateY(-10deg);
}

#over{
    color:red;
}
.videos{
    height: 100px;
    width:auto;
}
audio{
    z-index: 2;
    position: relative;
}
#aaudio{
    transition:z-index 100s;
}
#aaudio:hover{
    transition: z-index 5s;
    z-index: 0;
}
#ctransition{
    height: 100px;
    width: 100px;
    transition: width 5s, height 4s;
    z-index: 3;
    position: relative;
    background-color: red;
}
#ctransition:hover{
    height: 50px;
    width: 50px

}