<button class="draw">draw</button>
<button class="draw meet">draw meet</button>
<button class="center">center</button>
<button class="spin">spin</button>
<button class="spin circle">spin circle</button>
<button class="spin thick">spin thick</button>


<style>


button {
background: none;
border: 0;
box-sizing: border-box;
box-shadow: inset 0 0 0 2px #f45e61;
color: #f45e61;
font-size: inherit;
font-weight: 700;
margin: 1em;
padding: 1em 2em;
text-align: center;
text-transform: capitalize;
position: relative;
vertical-align: middle;
}


button::before,

button::after {
box-sizing: border-box;
content: '';
position: absolute;
width: 100%;
height: 100%;
}

.draw {
-webkit-transition: color 0.25s;
transition: color 0.25s;
}
.draw::before, .draw::after {
border: 2px solid transparent;
width: 0;
height: 0;
}
.draw::before {
top: 0;
left: 0;
}
.draw::after {
bottom: 0;
right: 0;
}
.draw:hover {
color: #60daaa;
}
.draw:hover::before, .draw:hover::after {
width: 100%;
height: 100%;
}
.draw:hover::before {
border-top-color: #60daaa;
border-right-color: #60daaa;
-webkit-transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
transition: width 0.25s ease-out, height 0.25s ease-out 0.25s;
}
.draw:hover::after {
border-bottom-color: #60daaa;
border-left-color: #60daaa;
-webkit-transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
transition: border-color 0s ease-out 0.5s, width 0.25s ease-out 0.5s, height 0.25s ease-out 0.75s;
}

.meet:hover {
color: #fbca67;
}
.meet::after {
top: 0;
left: 0;
}
.meet:hover::before {
border-top-color: #fbca67;
border-right-color: #fbca67;
}
.meet:hover::after {
border-bottom-color: #fbca67;
border-left-color: #fbca67;
-webkit-transition: height 0.25s ease-out, width 0.25s ease-out 0.25s;
transition: height 0.25s ease-out, width 0.25s ease-out 0.25s;
}

.center:hover {
color: #6477b9;
}
.center::before, .center::after {
top: 0;
left: 0;
height: 100%;
width: 100%;
-webkit-transform-origin: center;
-ms-transform-origin: center;
transform-origin: center;
}
.center::before {
border-top: 2px solid #6477b9;
border-bottom: 2px solid #6477b9;
-webkit-transform: scale3d(0, 1, 1);
transform: scale3d(0, 1, 1);
}
.center::after {
border-left: 2px solid #6477b9;
border-right: 2px solid #6477b9;
-webkit-transform: scale3d(1, 0, 1);
transform: scale3d(1, 0, 1);
}
.center:hover::before, .center:hover::after {
-webkit-transform: scale3d(1, 1, 1);
transform: scale3d(1, 1, 1);
-webkit-transition: -webkit-transform 0.5s;
transition: transform 0.5s;
}

.spin {
width: 6em;
height: 6em;
padding: 0;
}
.spin:hover {
color: #0eb7da;
}
.spin::before, .spin::after {
top: 0;
left: 0;
}
.spin::before {
border: 2px solid transparent;
}
.spin:hover::before {
border-top-color: #0eb7da;
border-right-color: #0eb7da;
border-bottom-color: #0eb7da;
-webkit-transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;
transition: border-top-color 0.15s linear, border-right-color 0.15s linear 0.1s, border-bottom-color 0.15s linear 0.2s;
}
.spin::after {
border: 0 solid transparent;
}
.spin:hover::after {
border-top: 2px solid #0eb7da;
border-left-width: 2px;
border-right-width: 2px;
-webkit-transform: rotate(270deg);
-ms-transform: rotate(270deg);
transform: rotate(270deg);
-webkit-transition: -webkit-transform 0.4s linear 0s, border-left-width 0s linear 0.35s;
transition: transform 0.4s linear 0s, border-left-width 0s linear 0.35s;
}

.circle {
border-radius: 100%;
box-shadow: none;
}
.circle::before, .circle::after {
border-radius: 100%;
}

.thick {
color: #f45e61;
}
.thick:hover {
color: #fff;
font-weight: 700;
}
.thick::before {
border: 3em solid transparent;
z-index: -1;
}
.thick::after {
mix-blend-mode: color-dodge;
z-index: -1;
}
.thick:hover::before {
background: #f45e61;
border-top-color: #f45e61;
border-right-color: #f45e61;
border-bottom-color: #f45e61;
-webkit-transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;
transition: background 0s linear 0.4s, border-top-color 0.15s linear, border-right-color 0.15s linear 0.15s, border-bottom-color 0.15s linear 0.25s;
}
.thick:hover::after {
border-top: 3em solid #f45e61;
border-left-width: 3em;
border-right-width: 3em;
}
</style>