style.css

* {
    margin: 0;
    padding: 0;
    font-family: sans-serif;
}

h1 {
    text-transform: uppercase;
    font-family: sans-serif;
    font-weight: 700;
}

button {
    cursor: pointer;
}

#player {
    margin-top: 20px;
    min-width: 400px;
    min-height: 300px;
    width: 800px;
    height: 450px;
    border-radius: 10px;
}

/* Кнопки с вызовом другого URL */
.btn-href {
    display: block;
    text-decoration: none;
    color: inherit;
}

.container {
    margin: 0 auto;
    max-width: 900px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    flex-direction: column;
    gap: 20px;
    padding: 0 15px;
}

.player-block {
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.block-btns {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 10px 30px;
    background: none;
    font-size: 26px;
    cursor: pointer;
    border-radius: 10px;
    transition: .1s linear;
    border: none;
    border: 2px solid #000;
}

.delete-btn-table,
.popup-close {
    width: 20px;
    height: 20px;
    position: relative;
    transition: .3s ease-in-out;
}

.popup-close-wrap {
    position: absolute;
    top: 5px;
    right: 5px;
    cursor: pointer;
    z-index: 2;
}

.delete-btn-table-block {
    transition: .3s ease-in-out;
}

.delete-btn-table-block:hover {
    transform: rotate(90deg);
}

.delete-btn-table::before,
.delete-btn-table::after,
.popup-close::before,
.popup-close::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: red;
}

.popup-close::before,
.popup-close::after {
    background-color: #000;
}

.delete-btn-table::before,
.popup-close::before {
    top: 50%;
    transform: rotate(45deg);
}

.delete-btn-table::after,
.popup-close::after {
    bottom: 40%;
    transform: rotate(-45deg);
}

.btn--1 {
    border-color: #3cba9f;
    color: #3cba9f;
}

.btn--2 {
    border-color: #e06666;
    color: #e06666;
}

.btn--3 {
    border-color: #3e95cd;
    color: #3e95cd;
}

td {
    border: 2px solid #303030;
    padding: 7px;
    font-size: 18px;
    text-align: center;
    transition: .2s linear;
}

.table {
    border-collapse: collapse;
    margin: 20px 0;
    border-radius: 2px;
    overflow: hidden;
}

#graphic {
    width: 900px;
}

.graphic-container {
    padding-bottom: 10px;
    overflow-x: auto;
    width: 100%;
    height: 100%;
}

.form__btn,
.delete-btn {
    border: none;
}

.delete-img {
    max-width: 30px;
}

.form {
    display: flex;
    max-width: 500px;
    width: 100%;
}

.form-title {
    text-transform: uppercase;
    font-size: 30px;
    text-align: center;
    margin: 40px 0 25px;
}

.form__text {
    width: 100%;
    padding: 10px;
    font-size: 17px;
    border: none;
    border: 2px solid #727272;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
    border-right: none;
}

.rowHigh--active > td:not(.delete-btn) {
    color: #fff;
    background-color: rgba(206, 206, 0, 0.8);
}

.form__text:focus {
    outline: none !important;
    box-shadow: 0 0 10px;
    box-shadow: -4px 0px 17px 5px rgba(43, 109, 73, 0.18);
    border-color: #2b6d49;
}

.form__text:hover {
    user-select: all;
}

.form__btn,
.buttons__btn,
.graphic-button {
    padding: 5px 25px 5px 10px;
    text-decoration: none;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    font-size: 15px;
    transition: .1s linear;
    font-weight: 600;
    color: #2b6d49;
    border: 2px solid #2b6d49;
    background: none;
    position: relative;
    overflow: hidden;
}

.form__btn::before,
.buttons__btn::before,
.graphic-button::before {
    content: "";
    z-index: -1;
    background-color: #2b6d49;
    position: absolute;
    top: -130px;
    left: -130px;
    width: 150px;
    height: 150px;
    transition: .3s ease-in-out;
    transform: rotate(45deg);
}

.graphic-button::before {
    top: -270px;
    left: -140px;
    width: 220px;
    height: 220px;
}

.buttons {
    margin-top: 10px;
    display: flex;
    gap: 10px;
}

.buttons__input {
    display: block;
    font-size: 25px;
    max-width: 150px;
    text-align: center;
    border: none;
    border: 2px solid #4a4a4a;
    border-radius: 10px;
}

.buttons__btn {
    padding: 0;
    padding: 10px 20px;
    font-size: 18px;
    border-radius: 10px;
    background: none;
    text-align: center;
}

.graphic-button {
    padding: 10px 20px;
    font-size: 15px;
    border: none;
    border-radius: 5px;
    text-align: center;
}

.popup {
    position: fixed;
    top: 0%;
    left: 0;
    width: 100%;
    min-height: 100vh;
    background-color: rgba(0, 0, 0, .4);
    display: none;
    justify-content: center;
    align-items: center;
}

.popup--active {
    display: flex;
}

.popup-block {
    margin: 0 10px;
    display: flex;
    border-radius: 10px;
    align-items: center;
    background-color: #fff;
    position: relative;
}

.popup-link {
    color: blue;
}

.popup-text {
    text-align: center;
    font-size: 20px;
    padding: 50px;
}

.popup-close:hover {
    transform: rotate(90deg);
}

.btn-popup {
    border: 2px solid #2b6d49;
    margin-bottom: 20px;
}

.td3Table--left::before,
.td3Table--right::before,
.td3Table::after {
    transition: .2s linear;
}

.td3Table--left::before,
.td3Table--right::before,
.td3Table--middle::before {
    opacity: 0;
    content: "";
    position: absolute;
    top: calc(50% - 10px);
    left: calc(50% - 15px);
    width: 30px;
    height: 20px;
    z-index: 2;
    background: url("rew-icon.svg") center no-repeat;
    background-size: contain;
}

.td3Table--left::before,
.td3Table--right::before {
    top: calc(50% - 15px);
    left: calc(50% - 20px);
    width: 40px;
    height: 30px;
}

.td3Table--middle::before {
    background: url("play_0kai64uw14di.svg") center no-repeat;
    background-size: contain;
}

.td3Table--left::before {
    transform: scaleX(-1);
}

@media (min-width: 1024px) {
    .form__btn:hover,
    .buttons__btn:hover,
    .graphic-button:hover {
        color: #fff;   
    }

    .form__btn:hover::before,
    .buttons__btn:hover::before,
    .graphic-button:hover::before {
        top: -70px;
        left: -50px;
    }

    .btn:hover {
        transform: scale(1.1);
        color: #fff;
        box-shadow: 7px 7px 13px 0px rgba(34, 60, 80, 0.2);
    }    
    
    .btn--1:hover {
        border-color: #3cba9f;
        background: #3cba9f;
    }
    
    .btn--2:hover {
        border-color: #e06666;
        background: #e06666;
    }
    
    .btn--3:hover {
        border-color: #3e95cd;
        background: #3e95cd;
    }

    .td3Table {
        cursor: pointer;
        position: relative; 
    }
    
    .td3Table--left.hover::before,
    .td3Table--middle.hover::before,
    .td3Table--right.hover::before {
        opacity: 1;
    }
    
    .td3Table::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        background-color: rgba(255, 255, 255, 0);
    }
    
    .td3Table:hover::after {
        background-color: rgba(255, 255, 255, .8);
    }

    #player {
        resize: both;
        overflow: auto;
    }
}

@media (max-width: 1023.98px) {
    .form__btn:active,
    .buttons__btn:active,
    .graphic-button:active {
        color: #fff;
        background-color: #2b6d49;
    }

    .form__btn,
    .buttons__btn,
    .graphic-button {
        border: 2px solid #2b6d49;
    }

    .btn:active {
        color: #fff;
    }

    .btn--1:active {
        border-color: #3cba9f;
        background: #3cba9f;
    }
    
    .btn--2:active {
        border-color: #e06666;
        background: #e06666;
    }
    
    .btn--3:active {
        border-color: #3e95cd;
        background: #3e95cd;
    }

    .td3Table {
        position: relative;
    }

    .td3Table--left:active::before,
    .td3Table--middle:active::before,
    .td3Table--right:active::before {
        opacity: 1;
    }
    
    .td3Table:active::before {
        opacity: 1;
    }
    
    .td3Table::after {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 1;
        background-color: rgba(255, 255, 255, 0);
    }
    
    .td3Table:active::after {
        background-color: rgba(255, 255, 255, .8);
    }

    #player {
        resize: none;
        max-width: 1020px;
        width: 100%;
        min-height: 0;
        min-width: 0;
    }
}

@media (max-width: 860px) {
    .player-block {
        margin-bottom: 20px;
    }

    .block-btns {
        flex-direction: row;
    }

    .btn {
        padding-top: 5px;
        padding-bottom: 5px;
        font-size: 24px;
    }
}

@media (max-width: 600px) {
    #player {
        height: 350px;
    }
}

@media (max-width: 550px) {
    .form {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }
    .form__btn {
        border-radius: 10px;
        padding: 10px 20px;
        font-size: 17px;
    }
    .form__text {
        border: 2px solid #727272;
        padding: 10px 0 10px 10px;
        border-radius: 10px;
    }
    .buttons {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .buttons__input--right {
        grid-column-start: 2;
        grid-column-end: 3;
    }

    .buttons__btn--scheme {
        grid-column-start: 1;
        grid-column-end: 2;
        grid-row-end: 3;
    }

    .popup-text {
        padding: 20px;
    }
}

@media (max-width: 440px) {
    .block-btns {
        gap: 10px;
    }
    .btn {
        font-size: 20px;
        padding: 5px 20px;
    }
    td {
        font-size: 16px;
        padding: 5px;
    }

}