* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: #5c5c5c;
    opacity: 0.8;
    background-size: 80px 80px;
    background-position: 0 0,40px 40px;

    color: #001f3f;
    font-family: "Muli", sans-serif;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.title {
    text-align: center;
    margin-bottom: 20px;
    margin-top: 20px;
    z-index: 1;
    color: #f6f5f7;
}

h1 {
    font-weight: bold;
    margin: 0;
}

h2 {
    font-weight: normal;
    margin: 0;
    margin-top: 5px;
    font-size: 21px;
}

textarea {
    width: 95%;
    height: 95%;
    margin-top: 20px;
    background-color: transparent;
    font-size: 20px;
    color: #f6f5f7;
    padding: 40px;
    font-family: Cascadia Code;
    overflow:auto;
}

textarea::placeholder {
    color: #bebebe;  
}

textarea:focus {
    outline: none;
    border: 1px solid #e0e0e0;
    box-shadow: 0px 0px 5px #e0e0e0;
}

.app {
    width: 85vw;
    margin-top: 20px;
    justify-content: center;
    align-items: center;
    display: flex;
}

.node-block, .preview {
    width: 40vw;
    height: 80vh;
    border-radius: 20px;
    background: #5c5c5c;
    box-shadow:  8px 8px 16px #4c4c4c,
                -8px -8px 16px #6c6c6c;
    text-align: center;
    line-height: 80px;
    font-size: 40px;
}

.node-block {
    margin-right: 20px;
}

.convert-button {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: #5c5c5c;
    box-shadow:  8px 8px 16px #4c4c4c,
                -8px -8px 16px #6c6c6c;
    text-align: center;
    line-height: 120px;
    font-size: 50px;
    overflow: hidden;
    display: inline-block;
    position: absolute;
}

@keyframes slide {
    0% {
        transform: translateX(-200%);
    }
    100% {
        transform: translateX(100%);
    }
}

.convert-button:hover {
    background: linear-gradient(145deg, #626262, #535353);
    box-shadow: 8px 8px 16px #4c4c4c,
                -8px -8px 16px #6c6c6c;
}

.convert-button:active {
    background: #5c5c5c;
    box-shadow: inset 8px 8px 16px #4c4c4c,
                inset -8px -8px 16px #6c6c6c;
    text-shadow:0px 0px 8px #e0e0e0;
    color: #f6f5f7;
}

.preview {
    margin-left: 20px;
}

footer {
    margin-top: 40px;
    text-align: center;
    color: #bebebe;
}

footer div {
    margin-bottom: 10px;
}