:root{
    --text-color: white;
    --skin-color: teal;
    --background-color: whitesmoke;
}

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

html{
    font-family: Arial, Helvetica, sans-serif;
    scroll-behavior: smooth;
}

.place-holder-text{
    font-size: xx-large;
    font-weight: bold;
    color: red;
}

.header {
    width: 100%;
    height: 100vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url(background.jpg);
    background-size: cover;
    background-position: center;
}

.header-content{
    width: 100%;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    color: var(--text-color);
}

.header-content h1{
    font-size: 70px;
    margin-top: 80px;
}

.header-content p{
    margin: 20px auto;
}

.mainbody{
    max-width: 800px;
    align-items: center;
    text-align: center;
    display: grid;
}

.contact-company-name{
    font-size: 20px;
    font-weight: bold;
}

button{
    width: 200px;
    padding: 15px 0;
    text-align: center;
    margin: 20px 10px;
    border-radius: 25px;
    font-weight: bold;
    border: 3px solid var(--skin-color);
    background: transparent;
    color: var(--text-color);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-hover{
    background: var(--skin-color);
    height: 100%;
    width: 0;
    position: absolute;
    left: 0;
    bottom: 0;
    z-index: -1;
    transition: 500ms;
}

button:hover .btn-hover{
    width: 100%;
}