.experiment{
    margin: 20px auto;
    max-width: 840px;
    text-align: center;
    font-size: 0;
}

.parametrs{
    width: 800px;
    vertical-align: top;
    margin: auto;
}

.parametrs .input-wrapper{
    margin-right: 30px;
}

.parametrs .info-wrapper {
    position: relative;
    display: inline-block;
    top: 5px;
    left: 5px;
}

.parametrs .info-wrapper .info {
    display: inline-block;
    font-size: 14px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: black;
    color: white;
    line-height: 20px;
    cursor: pointer;
}

.parametrs .info-wrapper .info-text {
    font-size: 14px;
    position: absolute;
    width: 150px;
    padding: 8px;
    left: 25px;
    top: 50%;   
    transform: translateY(-50%);
    background-color: #ff2e63cc;
    opacity: 0;
    transition: opacity 0.5s;
    z-index: -1;
}

.parametrs .info-wrapper .info:hover +span {
    opacity: 1;
    z-index: 1;
}

.parametrs form {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-items: center;
}

.parametrs form input[type='text'], .parametrs form input[type='number']{
    display: inline-block;
    margin: 10px 0;
    width: 200px;
    height: 15px;
    padding: 10px 0;
    outline: none;
    box-sizing: content-box;
    border: none;
    border-bottom: 1px solid;
    font-family: inherit;
}

.parametrs form input[type='submit']{
    display: block;
    width: 170px;
    padding: 10px;
    margin-top: 0;
    cursor: pointer;
}

.experiment-video{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 800px;
    height: 450px;
    vertical-align: top;
    border: 1px solid black;
    box-sizing: border-box;
    font-size: 18px;
    margin: 20px auto;
    overflow: hidden;
}

.experiment-video video{
   width: 100%;
}