#kof {
    width: 800px;
    height: 450px;
    background-image: url('/static/images/background/0.gif');
    background-size: 200% 100%;
    background-position: top;
    position: absolute;
}

#kof>.kof-head {
    width: 800px;
    height: 60px;

    position: absolute;
    top: 0;
    display: flex;
    align-items: center;
}

.kof-head-0 {
    height: 25px;
    width: calc(50% - 40px);

    margin-left: 20px;
    border: white 3px solid;
    border-right: none;
    box-sizing: border-box;
}

.kof-head-timer {
    height: 40px;
    width: 60px;
    background-color: orange;
    border: white 3px solid;
    box-sizing: border-box;
    font-size: 20px;
    color: white;
    font-weight: 800;
    line-height: 35px;
    text-align: center;
    user-select: none;
}

.kof-head-1 {
    height: 25px;
    width: calc(50% - 40px);

    margin-right: 20px;
    border: white 3px solid;
    border-left: none;
    box-sizing: border-box;
}

.kof-head-0>div {
    height: 100%;
    width: 100%;
    background-color: lightgreen;
    float: right;
}

.kof-head-1>div {
    height: 100%;
    width: 100%;
    background-color: lightgreen;
}