body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: monospace;
    background-color: #2a2a2a;
    transition: background-color 0.3s, color 0.3s;
    color: white;
    flex-direction: column;
}

.topbar {
    display: flex;
    align-items: center;
    gap: 20px;
    width: 100%;
    position: fixed;
    background-color: rgba(59, 59, 59, 0.885);
    padding: 20px;
    backdrop-filter: blur(5px);
    font-size: large;
    top: 0;
    border-bottom: 1px solid rgba(70, 70, 70, 0.885);
    z-index: 9999;
}

.home {
    text-decoration: none;
    color: white;
    padding: 10px;
    background-color: rgba(75, 75, 75, 1);
    border: 2px solid rgba(80, 80, 80, 1);
    border-radius: 7px;
    transition: 0.3s;
    margin-left: 25px;
    margin-right: -10px;
}

.theme-button {
    cursor: pointer;
    background: none;
    border: none;
    transition: 0.3s;
}

.home:hover {
    background-color: rgba(85, 85, 85, 1);
    border: 2px solid rgba(90, 90, 90, 1);
    text-decoration: underline;
}

.welcome {
    text-align: center;
    margin: 0;
    width: 100%;
}

.welcome * {
    color: white;
}

.tools-main {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
    min-height: 10vh;
    padding-top: 5vh; 
}

#tool-div {
    padding: 10px 30px 30px 30px;
    background-color: rgba(75, 75, 75, 1);
    border: 2px solid rgba(80, 80, 80, 1);
    border-radius: 7px;
    transition: 0.3s;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 75%;
    width: 500px;
}

.tool-header {
    margin-bottom: 0;
}

#tool-div img {
    height: 200px;
    border-radius: 10px;
    cursor: pointer;
}

.visit-tool {
    padding: 10px 20px;
    background-color: rgb(60, 120, 85);
    color: white;
    border: 2px solid rgb(75, 135, 100);
    border-radius: 4px;
    margin-top: auto;
    margin-bottom: -10px;
    transition: 0.1s;
    font-weight: bolder;
    font-size: large;
}

.visit-tool:hover {
    background-color: rgb(75, 135, 100);
    border-color: rgb(90, 150, 115);
}