* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: 0.25s;
    border-radius: 13px;
    margin: 2px 5px;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 5px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header img {
    padding: 10px;
    width: 70px;
    height: 70px;
    border-radius: 50%;
}

header h1 {
    color: whitesmoke;
    font-size: 20px;
    font-family: Georgia, 'Times New Roman', Times, serif;
}

header button {
    background-color: #333;
    color: #725AC1;
    width: 150px;
    height: 40px;
    font-weight: bold;
    border: 1px solid #725AC1;
    border-radius: 12px;
}

header button:hover {
    background-color: #725AC1;
    color: white;
    cursor: pointer;
    box-shadow: inset 0 -100px 0 0 #725AC1, 0 0 25px #725AC1, 0 0 100px #725AC1, 0 0 150px #725AC1;
    transition: 1.5s;
}

main {
    background-color: #999;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    margin: 0;
    padding: 20px;
}

main img {
    width: 70px;
    height: 70px;
}

main h1 {
    font-size: 24px;
}

main h1 img {
    margin: 0;
    width: 30px;
    height: 30px;
}

main h4 {
    font-size: 19px;
    color: #222;
}

main p {
    font-size: 24px;
}

.contact {
    width: 100%;
    height: auto;
    margin: 0;
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact button {
    background-color: #333;
    gap: 30px;
    padding: 10px;
    color: var(--clr);
    width: 150px;
    height: 40px;
    font-weight: bold;
    border: 1px solid var(--clr);
    border-radius: 12px;
    margin: 10px 0;
}

.contact button:hover {
    background-color: var(--clr);
    color: white;
    cursor: pointer;
    box-shadow: inset 0 -100px 0 0 var(--clr), 0 0 25px var(--clr), 0 0 100px var(--clr), 0 0 150px var(--clr);
    transition: 1.5s;
}

details {
    width: 100%;
    margin: 0;
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

summary {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 10px;
    cursor: pointer;
    border: 2px solid black;
    padding: 3px;
    padding-left: 10px;
}

summary:hover {
    background-color: #333;
    color: white;
    transition: 1s;
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

li {
    padding: 10px;
    border-bottom: 1px solid #333;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

li p {
    margin: 0;
    font-size: 18px;
}

button {
    background-color: #333;
    color: var(--clr);
    width: 150px;
    height: 40px;
    font-weight: bold;
    border: 1px solid var(--clr);
    border-radius: 12px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
}

button:hover {
    background-color: var(--clr);
    color: white;
    box-shadow: inset 0 -100px 0 0 var(--clr), 0 0 25px var(–clr), 0 0 100px var(–clr), 0 0 150px var(–clr), 0 0 200px var(–clr);
    transition: 1.5s;
    }
    
    @media (max-width: 768px) {
    header {
    flex-direction: column;
    }
    header img {
        width: 50px;
        height: 50px;
    }
    
    header h1 {
        font-size: 18px;
    }
    
    header button {
        width: 120px;
        height: 35px;
    }
    
    main {
        flex-direction: column;
        padding: 10px;
    }
    
    main img {
        width: 50px;
        height: 50px;
    }
    
    main h1 {
        font-size: 20px;
    }
    
    .contact {
        flex-direction: column;
        padding: 10px;
    }
    
    .contact button {
        width: 120px;
        height: 35px;
    }
    
    details {
        padding: 10px;
    }
    
    summary {
        font-size: 20px;
    }
    
    ul {
        padding: 0 10px;
    }
    
    li {
        flex-direction: column;
        align-items: flex-start;
    }
    
    li p {
        font-size: 16px;
    }
    
    button {
        width: 120px;
        height: 35px;
    }
}