*{
  box-sizing: border-box;
}

html,
body {
    background-image: url("../images/bg.png");
    margin: 0;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0;
    min-height: 100vh;
}

nav{
    position: sticky;
    top: 0px;
    display: flex;
    vertical-align: top;
    gap: 10px;
    background-color: white;
    padding: 15px;
    padding-left: 30px;
}

.tab{
    background-color: rgb(148, 171, 126);
    width: 130px;
    text-align: center;
    padding: 8px;
    border-radius: 100px;
}
.tab:hover{
    background-color: rgb(177, 161, 152);
}

a{
    color: white;
    text-transform: capitalize;
}

a:hover{
    color: rgb(82, 67, 60);
    text-transform: capitalize;
}

.title{
    text-align: center;
    padding-top: 170px;
    font-size: 35px;
    text-decoration: underline;
}

body{
    font-family: Helvetica, Arial, sans-serif;
    color: rgb(100, 81, 78);
}

main{
    padding: 32px 16px;
    margin: 10px auto;
    max-width: 800px;
    border-radius: 20px;
}

section{
    padding: 10px 15px;
    margin: 10px;
    border-radius: 10px;
    background: rgb(255, 255, 255);
}

.col{
    display: inline-block;
    width: calc(33.33% - 20px);
    vertical-align: top;
    min-height: 140px;
}


footer{
    padding: 20px;
}

.floating{
    width: 200px;
    float: left;
    padding: 20px;
}

.rectangle1{
    background-image: url("../images/lake.png");
    height: 800px;
    width: auto;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    margin: 0;
    min-height: 100vh;
    padding-top: 200px;
    padding-left: 20px;
    padding-right: 20px;
}
.rectangle2{
    background-image: linear-gradient(rgb(148, 171, 126),rgb(228, 232, 222));
    height: 50px;
    width: auto;
}
.rectangle3{
    background-image: linear-gradient(rgb(148, 171, 126),rgb(228, 232, 222));
    height: 30px;
    width: auto;
}
.rectangle4{
    background-image: linear-gradient(rgb(148, 171, 126),rgb(228, 232, 222));
    height: 20px;
    width: auto;
}
.rectangle5{
    
    background-image: linear-gradient(rgb(148, 171, 126),rgb(228, 232, 222));
    height: 10px;
    width: auto;
}
img{
    width: 100%;
    max-width: 300px;
    height: auto;

}