Я пытаюсь сделать обои. Можете ли вы добавить в фоне, типа плоскость (которое пространство), в виде полувидимых (около 2-5%) пересекающихся линий (каждая в 45 градусов): "<!DOCTYPE html>
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    <title>Хардкорные Математические Обои</title>
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        /* Дополнительные формулы (101-100) */
        /* При необходимости добавьте ещё формулы, следуя примеру выше */

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</head>
<body>
    <!-- Математические формулы -->
    <!-- Формулы 1-100 -->
    <span class="formula formula1">$$E = mc^2$$</span>
    <span class="formula formula2">$$i\hbar \frac{\partial \Psi}{\partial t} = \left( -\frac{\hbar^2}{2m}\nabla^2 + V \right)\Psi$$</span>
    <span class="formula formula3">$$a^2 + b^2 = c^2$$</span>
    <span class="formula formula4">$$\nabla \cdot \mathbf{E} = \frac{\rho}{\varepsilon_0}$$</span>
    <span class="formula formula5">$$e^{i\pi} + 1 = 0$$</span>
    <span class="formula formula6">$$\frac{\partial f}{\partial t} + \mathbf{v} \cdot \nabla f = \left( \frac{\partial f}{\partial t} \right)_{\text{столк.}}$$</span>
    <span class="formula formula7">$$\int_{a}^{b} f(x) \, dx$$</span>
    <span class="formula formula8">$$\sigma = \sqrt{\frac{1}{N-1} \sum_{i=1}^{N} (x_i - \overline{x})^2}$$</span>
    <span class="formula formula9">$$PV = nRT$$</span>
    <span class="formula formula10">$$\frac{dP}{dt} = \alpha (S - P) P - \beta P$$</span>
    <span class="formula formula11">$$\mathbf{F} = m\mathbf{a}$$</span>
    <span class="formula formula12">$$\phi = \frac{1}{4 \pi \epsilon_0} \frac{q}{r}$$</span>
    <span class="formula formula13">$$\int_{0}^{\infty} e^{-x} dx = 1$$</span>
    <span class="formula formula14">$$\nabla \times \mathbf{E} = -\frac{\partial \mathbf{B}}{\partial t}$$</span>
    <span class="formula formula15">$$\frac{d^2 y}{dx^2} + p(x)\frac{dy}{dx} + q(x)y = g(x)$$</span>
    <span class="formula formula16">$$\lambda = \frac{h}{p}$$</span>
    <span class="formula formula17">$$f = \frac{1}{2} m v^2$$</span>
    <span class="formula formula18">$$Z = \frac{V}{I}$$</span>
    <span class="formula formula19">$$\mathbf{A} = \begin{pmatrix}
        a_{11} & a_{12} & \cdots & a_{1n} \\
        a_{21} & a_{22} & \cdots & a_{2n} \\
        \vdots & \vdots & \ddots & \vdots \\
        a_{m1} & a_{m2} & \cdots & a_{mn}
    \end{pmatrix}$$</span>
    <span class="formula formula20">$$x(t) = x_0 + v_0 t + \frac{1}{2} a t^2$$</span>
    <span class="formula formula21">$$\Delta S \geq 0$$</span>
    <span class="formula formula22">$$\lambda = \frac{c}{f}$$</span>
    <span class="formula formula23">$$\mathbf{E} = -\nabla \phi$$</span>
    <span class="formula formula24">$$\rho(\epsilon) = \frac{1}{e^{(\epsilon - \mu)/kT} - 1}$$</span>
    <span class="formula formula25">$$\mathbf{J} = \sigma \mathbf{E}$$</span>
    <span class="formula formula26">$$\lambda_1 + \lambda_2 + \lambda_3 = 1$$</span>
    <span class="formula formula27">$$\nabla \cdot \mathbf{B} = 0$$</span>
    <span class="formula formula28">$$\mathcal{L} = T - V$$</span>
    <span class="formula formula29">$$\mathbf{F} = q(\mathbf{E} + \mathbf{v} \times \mathbf{B})$$</span>
    <span class="formula formula30">$$R = \frac{\rho l}{A}$$</span>
    <span class="formula formula31">$$\frac{d}{dt}\left( \frac{\partial \mathcal{L}}{\partial \dot{q}} \right) - \frac{\partial \mathcal{L}}{\partial q} = 0$$</span>
    <span class="formula formula32">$$\nabla^2 \psi + k^2 \psi = 0$$</span>
    <span class="formula formula33">$$S = k \cdot \log(P)$$</span>
    <span class="formula formula34">$$\mathbf{p} = m\mathbf{v}$$</span>
    <span class="formula formula35">$$\nabla \cdot \mathbf{D} = \rho_f$$</span>
    <span class="formula formula36">$$\oint_{\partial V} \mathbf{E} \cdot d\mathbf{A} = \frac{Q_{\text{enc}}}{\varepsilon_0}$$</span>
    <span class="formula formula37">$$\tau = I \alpha$$</span>
    <span class="formula formula38">$$F_{\text{centripetal}} = \frac{mv^2}{r}$$</span>
    <span class="formula formula39">$$K = \frac{1}{2}mv^2$$</span>
    <span class="formula formula40">$$V = IR$$</span>
    <span class="formula formula41">$$\frac{d\mathbf{L}}{dt} = \boldsymbol{\tau}$$</span>
    <span class="formula formula42">$$\Phi = \int \mathbf{B} \cdot d\mathbf{A}$$</span>
    <span class="formula formula43">$$U = \frac{1}{2}kx^2$$</span>
    <span class="formula formula44">$$T = \frac{1}{2}mv^2 + \frac{1}{2}I\omega^2$$</span>
    <span class="formula formula45">$$\nabla \times \mathbf{B} = \mu_0 \mathbf{J} + \mu_0 \epsilon_0 \frac{\partial \mathbf{E}}{\partial t}$$</span>
    <span class="formula formula46">$$\frac{d\mathbf{p}}{dt} = \mathbf{F}$$</span>
    <span class="formula formula47">$$\mathbf{F} = -k\mathbf{x}$$</span>
    <span class="formula formula48">$$\int_V \nabla \cdot \mathbf{F} \, dV = \oint_S \mathbf{F} \cdot d\mathbf{A}$$</span>
    <span class="formula formula49">$$\mathbf{v} = \nabla \phi$$</span>
    <span class="formula formula50">$$\frac{d^2 \mathbf{x}}{dt^2} + \Omega^2 \mathbf{x} = 0$$</span>
    <span class="formula formula51">$$\mathcal{F} = ma$$</span>
    <span class="formula formula52">$$\nabla \cdot \mathbf{J} = -\frac{\partial \rho}{\partial t}$$</span>
    <span class="formula formula53">$$\oint_C \mathbf{B} \cdot d\mathbf{l} = \mu_0 I_{\text{enc}} + \mu_0 \epsilon_0 \frac{d}{dt}\int_S \mathbf{E} \cdot d\mathbf{A}$$</span>
    <span class="formula formula54">$$\nabla^2 \phi = \frac{\rho}{\varepsilon_0}$$</span>
    <span class="formula formula55">$$\mathbf{J} = \sigma \mathbf{E}$$</span>
    <span class="formula formula56">$$\Psi(x, t) = \psi(x)e^{-iEt/\hbar}$$</span>
    <span class="formula formula57">$$\frac{d}{dt}\langle A \rangle = \frac{i}{\hbar}\langle [H, A] \rangle + \left\langle \frac{\partial A}{\partial t} \right\rangle$$</span>
    <span class="formula formula58">$$\mathbf{F} = -\nabla U$$</span>
    <span class="formula formula59">$$\nabla \cdot \mathbf{B} = 0$$</span>
    <span class="formula formula60">$$\mathbf{E} = -\nabla \phi - \frac{\partial \mathbf{A}}{\partial t}$$</span>
    <span class="formula formula61">$$D = \epsilon_0 \mathbf{E}$$</span>
    <span class="formula formula62">$$\mathbf{K} = \frac{1}{2}mv^2$$</span>
    <span class="formula formula63">$$\nabla \times \mathbf{E} = -\frac{\partial \mathbf{B}}{\partial t}$$</span>
    <span class="formula formula64">$$\frac{d^2 \theta}{dt^2} + \frac{g}{L}\sin(\theta) = 0$$</span>
    <span class="formula formula65">$$\oint \mathbf{E} \cdot d\mathbf{l} = -\frac{d}{dt}\int \mathbf{B} \cdot d\mathbf{A}$$</span>
    <span class="formula formula66">$$\mathcal{G} = 2\pi \sqrt{\frac{L}{Gm}}$$</span>
    <span class="formula formula67">$$\mathbf{F}_{\text{spring}} = -k \mathbf{x}$$</span>
    <span class="formula formula68">$$\mathbf{J} = \sigma (\mathbf{E} + \mathbf{v} \times \mathbf{B})$$</span>
    <span class="formula formula69">$$\Delta V = -\int \mathbf{E} \cdot d\mathbf{l}$$</span>
    <span class="formula formula70">$$\mathbf{p} = m\mathbf{v}$$</span>
    <span class="formula formula71">$$\mathbf{S} = \mathbf{A} \times \mathbf{B}$$</span>
    <span class="formula formula72">$$\frac{d\mathbf{x}}{dt} = \mathbf{v}$$</span>
    <span class="formula formula73">$$\mathbf{F} = \frac{d\mathbf{p}}{dt}$$</span>
    <span class="formula formula74">$$\oint \mathbf{E} \cdot d\mathbf{l} = -\frac{d\Phi_B}{dt}$$</span>
    <span class="formula formula75">$$\mathbf{E} = -\nabla \phi$$</span>
    <span class="formula formula76">$$\mathbf{v} = \nabla \phi$$</span>
    <span class="formula formula77">$$U = \frac{1}{2} k x^2$$</span>
    <span class="formula formula78">$$\nabla \times \mathbf{B} = \mu_0 \mathbf{J} + \mu_0 \epsilon_0 \frac{\partial \mathbf{E}}{\partial t}$$</span>
    <span class="formula formula79">$$\mathbf{J} = \sigma \mathbf{E}$$</span>
    <span class="formula formula80">$$\mathbf{E} = \frac{\mathbf{F}}{q}$$</span>
    <span class="formula formula81">$$\mathbf{F} = m \mathbf{a}$$</span>
    <span class="formula formula82">$$\nabla \cdot \mathbf{J} = -\frac{\partial \rho}{\partial t}$$</span>
    <span class="formula formula83">$$\mathbf{F} = q(\mathbf{E} + \mathbf{v} \times \mathbf{B})$$</span>
    <span class="formula formula84">$$K = \frac{1}{2} m v^2$$</span>
    <span class="formula formula85">$$\theta(t) = \theta_0 \cos(\omega t)$$</span>
    <span class="formula formula86">$$\sigma_{\text{imp}} = \sigma + \frac{e^2 n}{m}$$</span>
    <span class="formula formula87">$$\mathbf{a} = \frac{\mathbf{F}}{m}$$</span>
    <span class="formula formula88">$$P = IV$$</span>
    <span class="formula formula89">$$Q = It$$</span>
    <span class="formula formula90">$$W = Pt$$</span>
    <span class="formula formula91">$$\mathbf{L} = \mathbf{r} \times \mathbf{p}$$</span>
    <span class="formula formula92">$$\Psi(x, t) = \psi(x)e^{-iEt/\hbar}$$</span>
    <span class="formula formula93">$$\mathbf{F} = -\nabla U$$</span>
    <span class="formula formula94">$$\frac{d}{dt}\langle A \rangle = \frac{i}{\hbar}\langle [H, A] \rangle + \left\langle \frac{\partial A}{\partial t} \right\rangle$$</span>
    <span class="formula formula95">$$\nabla^2 \phi = \frac{\rho}{\varepsilon_0}$$</span>
    <span class="formula formula96">$$\nabla \cdot \mathbf{B} = 0$$</span>
    <span class="formula formula97">$$\nabla \times \mathbf{E} = -\frac{\partial \mathbf{B}}{\partial t}$$</span>
    <span class="formula formula98">$$\nabla \times \mathbf{B} = \mu_0 \mathbf{J} + \mu_0 \epsilon_0 \frac{\partial \mathbf{E}}{\partial t}$$</span>
    <span class="formula formula99">$$\dot{\mathbf{p}} = \mathbf{F}$$</span>
    <span class="formula formula100">$$\frac{d^2 \mathbf{x}}{dt^2} + \Omega^2 \mathbf{x} = 0$$</span>
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